单项选择题

M: Any message for me, Miss White
W: Just one, Mr. Brown. You had a phone call from someone called Smith, Mary Smith.
M: Smith I don’t know anyone called Smith. What did she say
W: She wouldn’t say anything. But it sounded important, I told her you’d call her as soon as you came back.
M : Well, I think I’d better do it then. Have you got her telephone number
W: Yes, it’s 44356793.
M: Have you written it down
W: I always do. it’s on your desk.
M : Thank you.

Who made the telephone call()

A. Mr. Smith.
B. Miss White.
C. Miss Smith.
D. Mr. Brown.