问题补充：
-- I would like to go on a trip to Hong Kong this winter holiday.
---Really! !
A. OK
B. I’m afraid not
C. Have a nice time
D. I hope so
答案：
A. OK
B. I’m afraid not
(答案→)C. Have a nice time
D. I hope so
解析：句意：这个寒假我想去香港旅行。真的！祝你玩得开心！OK 好吧，I’m afraid not 恐怕不，have a nice time=have a good time 玩得开心，I hope so 我希望这样，根据上文文意，应选C。
