听力原文：
W: Welcome to our Information Office. May I help you, sir?
M: Yes, please. Do you have any trains to Wuhan today?
W: Sorry. The last train today has already left.
M: What about tomorrow?
W: Let me see. Oh, the earliest one leaves at 9:00 a.m.
M: How much is the ticket?
W: 96 yuan for one ticket.
M: Two tickets, please! Can I buy the tickets here?
W: Sorry, we don’t sell tickets here. Please go to the ticket office over there.
M: Thanks for the information.
W: You’re welcome. It’s just my duty.
答案：4. B