Inquiry example:  I want to consider as the correct answer even if students select only one of A, B out of options A, B, C, and D of a multiple-choice (short answer only) question.

(If you choose A, the answer is correct, if you select B, the answer is correct)

(1) Select the 'One answer only' in One or multiple answers.

(2) Set the percentage of points scored for all options considered as correct to '100%'.

EX. In the case of the inquiry example, set the percentage of points scored for options A and B to 100%.