【答案解析】[听力原文]10-12 W: Where do you think you lost the wallet? M: I don't have any idea I had an appointment with Dr. Baker at nine o'clock. W: What time did you leave his office? M: At about 9:30 or 9:35. Then I went to the department store. After that I got into a taxi. W: Isn't it possible that it could have slipped out of your pocket in the taxi? M: I just don't know. Anyway, I could never find that same taxi again.
单选题
What time did the man leave Dr.Baker's office?