单项选择题
W: Where have you been all this time The train is about to leave!
M: Sorry I’m late, but I was waiting for you at the information desk upstairs. It’s lucky I thought to look for here on the platform.
Q: Where did the man think they were supposed to meet（）
A. Near the stairs.
B. On the platform.
C. At the ticket office.
D. At the information desk.