单项选择题

W: Surgery. Can I help you
M: Good afternoon. (6) My name’s Jack Smith. I want to make an appointment With Dr. Johnson, please.
W: Yes, of course, Mr. Smith. May I have your address, please
M: 232 Kings Road, S.E.20.
W: (6) Yes, we have you on our records. Can you manage this afternoon
M: I’m afraid not. I can manage tomorrow.
W: (7) I’m afraid Dr. Johnson’s not on duty tomorrow. He’ll be here the day after tomorrow. That’s Friday, March 281h.
M: Fine.
W: Will 5:30 be all right
M: Well, yes.

Why can’t Jack see Dr. Johnson tomorrow().

A.Because Dr. Johnson is busy tomorrow.
B.Because Dr. Johnson won’t come to his surgery tomorrow.
C.Because Jack is on duty tomorrow.
D.Because Jack is busy tomorrow.