单项选择题
M: Hello. I haven’t seen you for a long time. How are you
W: Fine. Thanks.
M: Tomorrow is my birthday. I would like to invite you and your family to my birthday party. Our teacher Mr. Wang in University will come also.
W: Thank you very much. When will it begin
M: At 6:30 pm.
W: Oh. Let me see. I get off work at 5:30 every day and then spend about 35 minutes on meeting my husband and my daughter, We shall cost about 45 minutes to go to your home. Is that all right
M: Yes, of course.
W: OK. See you tomorrow.
M: See you then.
A．Classmates.
B．Cousins.
C．Colleagues.