【单选题】听力原文:W: I haven't seen you here for a couple of weeks. Have you stop eating or something? M: No. Does it look as I've stopped eating? I've been spending a lot of time in the library. W: Working on a p...
A.
Writing papers for his classes.
B.
Meeting with his professors.
C.
Doing extra work in the chemistry lab.
D.
Working overtime as a librarian.