Insight refers to

A. prior learning facilitating problem solving
B. prior learning hindering problem solving
C. the tendency to respond in a certain manner, based on past experience
D. the sudden realization of a problem's solution

This question is an opinionated one, and we don’t know anything about the module or anything, thus we can not answer it. but if you are having trouble on what it is asking basically it is just asking to (using your knowledge on the topic) say which topics you were most interested and which were the most challenging.hope this : p