A) She was afraid she might be kept too late.
B) She would have something more important to do.
C) She had to meet a friend of hers.
D) She was not in the mood to attend the party.
W: Hello, Steve. This is Susan. I’m afraid I won’t be able to come to the party. I was just asked to go to a meeting.
M: Do come after your meeting, Susan. Our party won’t be over until midnight.
Q: Why did the woman say that she could not join in the party?
注:be in the mood to do sth. 愿意做某事,有这种心情做某事