听力原文:W: Professor Smith has a class this afternoon from 2:30 to 4. But he won't be abl
M: Does he want me to try to find somebody else to take his place?
What does the man want to know?
A.He wants to replace Professor Smith.
B.He wants to know whether Professor Smith will be able to teach this afternoon.
C.He wonders whether he should find someone else to teach Professor Smith's class.
D.He is not sure if he can teach Professor Smith's class.