W: Good morning. Dr. Zane's office. M: This is Mr. Hill. I have a ten o'clock appointment, but I'm running a little late. Do you have any openings this afternoon? W: Sorry we don't. Can you come tomorrow morning? M: OK. See you then., Question: Why is the man calling? (A) To change his appointment. (B) To speak to Dr. Zane. (C) To see the woman.
(A) To change his appointment.