You ask a student to describe the path to his dorm room. the most likely way in which he will do this is to

The most likely way would be: walk a mental image of the path and describe it to you as he does it
In order to answer this question, the student would most likely tried to visualize his usual method to arrive at the dorm.
During this process, his brain practically repeat the same process that recorded after repeating the action over and over again.

Iwould say the answer would be b