单项选择题
M: Good morning. This is John Parker speaking. I’m just ringing to confirm my appointment with Mr. Smith for this afternoon.
W: Yes. Mr. Smith is expecting you at 3 o’clock.
A. He wants to make an appointment with Mr. Smith.
B. He wants to make sure that Mr. Smith will see him.
C. He wants to change the time of the appointment.
D. He wants the woman to meet him at three o’clock.