ALL BUT WHICH of the Following Is a Good Example

ALL BUT WHICH of the following is a good example of a "lower-level" behavior,in the context of behavioral observation?

A) the number of times during class that a student behaves aggressively toward a classmate
B) how many different classmates a student speaks to during a class period
C) how many minutes of a class period a student spends out of his or her seat
D) the number of times during class that a student raises his or her hand in response to a question from the teacher