听力原文:W: I'm sorry, but I'm afraid that you can't go in now. Mr. Green is in a conferen
M: OK. I'll just wait for him here.
Q: Why can't the man see Mr. Green?
(3)
A.Mr. Green is in a meeting.
B.Mr. Green is out of the building.
C.Mr. Green has too much work.
D.Mr. Green doesn't work there anymore.