I came here because of this suggestion:
https://wplms.io/support/forums/topic/how-to-play-audio-questions-after-they-have-been-marked/
After the question has been marked, the user cannot play or replay the audio any more.
Here is an example:
https://drive.google.com/file/d/1hcURTitYo2Ft8UpziwITM5Gb62-FvF0a/view?usp=sharing
In the beginning, I could click "play". However, after I clicked "Check Answer", I could no longer click "replay" button. I need to find a way to let my users hear the audio after their answers have been shown.
I think this would be a useful feature because the question has been marked and he or she could not change the result. When clicking the replay button, the user could at least learn something from the audio.