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.

Who is Jack Smith()

A.A close friend of Dr. Johnson.
B.A regular patient of Dr. Johnson.
C.A new patient of Dr. Johnson.
D.An old patient of Dr. Johnson.