【正确答案】 C

【答案解析】[听力原文]13-16
W: Good morning, Uncle Smith.
M: Good morning, Cathy.
W: I want to have a dinner party to celebrate my birthday. Would you come?
M: I'd love to, Cathy. What time?
W: Next weekend, on Saturday.
M: Saturday do you say?
W: If that's all fight with you.
M: I'm afraid I'm busy then. I've already had plans.
W: What about Sunday?
M: I'm sure it will be all right.
W: Good, you'd better come around 6:30 or 7:00, we'll have time to chat a while.

A、 He only wanted to come on Sunday.
B、 He would be very busy on Saturday.
C、 His car was broken down.