单项选择题
M: May I speak to Mr. Smith, please
W: There are two Smiths here. Which one do you want
M: Tim Smith, please.
W: Nobody by that name here.
M: Is your number 1132445.
W: Sorry, here is 1132455.
A.Tim Smith isn’t in right now.
B.The caller dialed the wrong number.
C.Tim Smith is busy now.