听力原文:M: Hi, could you tell me where the conference is being held? I've already registe
W: In the Convention Hall on the second floor, sir.
M: Thanks. Also, do you know when Professor Ferguson's presentation is going to be? I hope I haven't missed it!
W: One of the volunteers at that desk will be able to tell you.
What does the man want to know?
A.When a meeting will start.
B.Whether there are enough chairs.
C.How to go to the second floor.
D.Where an event is being held.