Which of the following is NOT one of the main differences between high school and college discussed in the reading?
a) Classes in college may have varying attendance policies, and students must keep track of their own attendance.
b) In college, students can usually retake tests as many times as needed as long as they go to the tutoring center.
c) College instructors may display a wide array of teaching styles to which students may need to adjust each semester.
d) Students in college will need to seek out instructors in their offices when needed instead of waiting for the instructors to approach them.