Boris Has a High Need for Achievement, and He Is

Boris has a high need for achievement, and he is currently enrolled in a philosophy course that is required for his major. The professor has never been known to give a student a grade higher than a B. What will Boris likely do under these conditions?

A) He will drop the course and switch to a different major.
B) He will exert the maximum effort he can because he has a high need for achievement.
C) He will not exert his maximum effort because the course has a low incentive value for him.
D) He will not exert his maximum effort because he has a low expectation of success.