听力原文:M: Mary, I dropped your calculator and it doesn't work now. I don't know what's w
W: Oh, that's OK. It hasn't been working right for some time now.
Q: What is the man's problem?
(16)
A.He lost the calculator.
B.He doesn't know where the calculator is.
C.He thinks he has broken the calculator.
D.He isn't able to work out the answer to the problem.