---I really want to go bungee jumping. Want to go with me?
--- Yes, I’m willing to.
A. Is it up to you?
B. Would you be up for it?
C. Guess what?
D. You bet!
网友回答
A. Is it up to you?
(答案→)B. Would you be up for it?
C. Guess what?
D. You bet!
解析：考查交际用语的区别。A 由你决定吗；B 你会了吗；C 猜猜什么；D 你打赌！根据语境：我真想去蹦极跳。想跟我去吗？你会了吗？下文的回答：是的，我愿意去，只有B正确。