单选题 — I'd like to invite you to dinner this Saturday, Mr. Smith. —______.

A、 Oh, no. Let's not
B、 I'd rather stay at home
C、 I'm very sorry, but I have other plans
D、 Oh, no. That'll be too much trouble

【正确答案】 C

【答案解析】[解题指要] 本题考查日常交际用语。拒绝他人的邀请应首先表示感谢或道歉，然后说明原因。A选项可以是像Shall we go swimming in that river this Saturday?这类句子的应语。B选项可以是We'll go swimming in that river this Saturday.这类句子的应语。D选项可以是Shall we go climbing that mountain this Saturday?这类句子的应语。