单项选择题

W: How about your exam
M: I failed again.
W: Why Did you oversleep again
M: No, I didn’t.
W: Then, what’s wrong with you
M: Oh, I can’t tell you.
W: Tell me. Maybe I can help you.
M: Nobody can help me.
W: Don’t say things like that. Tell me your trouble. We are good friends, aren’t we
M: Yes. It’s something like this. This time, I made full preparations, but Smith told me he could get perfect marks. I decided to copy his paper and I did copy, though not completely. It turned out that his marks were lower than mine. And we both failed.
W: It serves you right.

What’s wrong with the man()

A. He overslept again.
B. He can’t tell the woman the truth.
C. He failed the exam again.