【单选题】A) He is too busy to finish his assignment in time. B) He does not know what kind of topic to write on. C) He does not understand the professor's instructions. D) He has no idea how to proceed with hi...
A.
He is too busy to finish his assignment in time.
B.
He does not know what kind of topic to write on.
C.
He does not understand the professor's instructions.
D.
He has no idea how to proceed with his dissertation.