【单选题】听力原文:[Student] Excuse me, Professor Carter. May I speak to you for a minute? [Professor] Sure. Come in. [Student] I'm Jenniffer. I'm taking your course in Population Studies. [Professor] Right. Well, ...
A.
Because he cannot finish her assignment as scheduled.
B.
Because he could not get the books she need.
C.
Because she cannot fully understand the assignment.
D.
Because she has difficulty understanding the reading materials.