Once you select an answer to a question, you
- can change your answer at any time during that attempt and earn all of the available points
- cannot change your answer within the same attempt
- can change your answer at any time during that attempt, but will not receive of all the available points
- can still change your answer, as long as you do so immediately
The correct answer selected in the image is “cannot change your answer within the same attempt.” This implies that once you select an answer to a question, you cannot change it during that particular attempt.