听力原文:M: I have invited our former foreign teachers to my house for dinner tonight. Why
W: I'd like to. Perhaps I will have a rain check because I have some visitors from Canada tonight.
Q: Why cannot the woman accept the man's invitation?
(17)
A.She is going to have some visitors tonight.
B.She does not like their former foreign teachers.
C.She is going to see her foreign teachers tonight.
D.She has already been invited to the man's house.