Dan Is Listening to the Dean of the University Speak

Dan is listening to the dean of the university speak about banning fraternities on campus.In which of the following situations is Dan most likely to evaluate the quality of the dean's arguments?

A) if the dean speaks very quickly
B) if Dan is a member of a fraternity
C) if Dan is doing his calculus homework while listening to the speech
D) if the dean indicates that most students think fraternities should be banned