—Will you join us in the game?
—Thank you,
A. but why not?
B. but I’d rather not.
C. and I won’t.
D. and I’ll join.
网友回答
A. but why not?
(答案→)B. but I’d rather not.
C. and I won’t.
D. and I’ll join.
解析：I’d rather not用于拒绝对方的邀请。根据所提供的情景Thank you可判断出不想参加比赛。why not意为“为什么不呢？”表示同意参加，与but矛盾。I won’t表示拒绝，不能与and连用。