Does anybody know/have the Unicode for question marks in a circle and can/want to help?
I'm stuck here for about two hours and it seems that I'm blind...
Thank you in advance.
I took a quick search, and don't think that such a symbol exists in Unicode.
What makes you think such a symbol exists?
Please believe me that I don't find any reason to not exist!!! Take a look here... and give please only a reason to not exist!!!
Could you post a link to a web page where that symbol appears?
I have more than 4 hours searching without success!!!
I looked at all 389 symbols at Search
and found nothing.
Maybe you are thinking of an icon (.png?) you saw somewhere?
At the above link exist 250 "circled" things. It is incredible for me the fact that circled question mark. circled exclamation mark... simply... doesn't exist. 
I test with .png in all possible forms from 36px to 512px. It is ugly. All yesterday and this night (it is 2:20 AM) I fight with this problem.
UniCode is crowded.
You have to fight to get into it.
But that doesn't stop you from putting a question mark on top of a circle and grabbing an image of it.
Come to think of it, there are 4 of them in this scrape from the AI2 Designer.
Maybe turning on the browser tools to disect the page might provide clues?
But it draws at the pixel level, It can easily adjust the colors, decoration, dimensions, and so on... (dynamically... on the way). It has many advantages on a label and future use as a character.
I think that is an image, I fight a little with that, as the last instance. For the moment I don't look at the page source due to my intuition that it is an image.
From this search
https://www.google.com/search?q=html+circled+question+mark
I am guessing that it is an html and css effect.
So if you are presenting your text inside a web viewer or html-enabled Label, you might have some hope.
P.S. I would personally just type (?) .
As CSS I remember that I saw that exists, but I don't remember where... ah... let's ask... chatGPT!!! 
And here start the show...
"You - can you give me the unicode for circled question mark please?"
"ChatGPT - Sure! The Unicode for the circled question mark is U+24D8. Here it is: Ⓢ."
continuation...
"You - no is not"
"ChatGPT -
Apologies for the confusion. The Unicode for the circled question mark is U+003F followed by U+20DD. Here it is: "?⃝"."
"You - NO"
"ChatGPT - I apologize for the oversight. The correct Unicode for the circled question mark is U+24B6. Here it is: Ⓐ."
...
In a million years... ChatGPT will have some... real intelligence. for the moment it is at two days child IQ.
It is ugly!!! Less ugly as AI2 but still remains ugly!
So... I must add another thing to the "Don Quixote symptoms". The inexistence of the... Unicode for the circled question mark!!! I have some items already added.
Anyway... seems that Google doesn't explain very well the "Don Quixote symptom" or at least not as well as Cervantes explains them... as "fighting with windmills..."
It is Ugly! Huh...
If you can figure out how to use it, there is
It is an image!!!
a::before {
content: '?';
font-size: 60%;
font-family: sans-serif;
vertical-align: middle;
font-weight: bold;
text-align: center;
display: inline-block;
width: 1.8ex;
height: 1.8ex;
border-radius: 1ex;
color: blue;
background: white;
border: thin solid blue;
}
.infolink:hover::before {
color: white;
background: blue;
border-color: white;
}
<a class="infolink" href="#">a link</a>
easiest... but I hate that because after that... it came... "responsive", "cross-browser compatibility"... and so on...
I think that the best solution will be a label with a circle in the background and the question font on the label.
Oh... No!!! Here is came the geniality of the @Kevinkun & CompCreator!!!
An arrangement (doesn't import Vertical or Horizontal) with custom dimensions, borders about custom pixels and custom colors!!! and the radius at 1/2 of the width or height (equals) that will create a circle... and a label with "?" insight, aligned in the center insight of that arrangement.
"When Good gives you lemons... make a wonderful lemonade..." 
That is the final solution!!
Just perfect... The red one.
So... It is made with a native VerticalArrangement, a label insight with the question mark, and in the blocks a simple procedure with "set as card.VerticalArrangement..."
Conclusion - If something doesn't exist... use AI2 & CompCreator (I forgot to tell you that I 
AI2 & CompCreator?! BTW thank you, Tim!).
Anyway... at those small dimensions appears a small problem with the padding of the arrangement and margin of the label (right corners), so the proportions between the question mark and the circle are a little weird. If we want perfection... we can use an extension to overlay the label over the arrangement. Simple as that.
I deleted this paragraph as I can't "strike" the text, it was wrong, and the native AI2 can't overlay as I thought before. ABG almost sure can do that with canvas. Sorry about the mistake.
Anyway... It is not necessary to use any extension to compensate for the proportions, it is enough to invalidate "has margins" on the label in the designer, which gives enough space.
So... I make a... lemonade...
PS - And of course, we can play with the question mark independent of the circle, as colors, forms, blink, animation, shapes, fonts and you name it.
In fact... I think that this approach is better than the Unicode approach in those cases.