－I’m going on a trip to Japan after the exam－Really? !A. Have a nice timeB. Congratulation

问题补充：

－I’m going on a trip to Japan after the exam

－Really? !

A. Have a nice time

B. Congratulations

C. OK

D. It’s nice of you

答案：

(答案→)A. Have a nice time

B. Congratulations

C. OK

D. It’s nice of you

解析：Have a nice time祝您玩得愉快；Congratulations祝贺你；OK好吧；It’s nice of you你太好了。根据上文，考试过后，我准备去日本旅行。——真的吗？结合语境可知选A。