Previously, we used Adobe Presenter, where the TOC indicated by different symbols whether the answer to a quiz question was right or wrong.
In Captivate 12.3.0.12 (German version, Windows), the TOC displays a green "passed" checkmark if the slide has been seen, even if the recorded answer is wrong.
Please let checkmarks be configurable - or at least display an appropriate checkmark (red "x" or similar) for all quiz slides with a wrong answer.