—I’m going on a trip to Beijing. —!A. It’s nice of youB. Have a good timeC. OK. That’s all

问题补充：

—I’m going on a trip to Beijing.

—!

A. It’s nice of you

B. Have a good time

C. OK. That’s all right

D. Congratulations

答案：

A. It’s nice of you

(答案→)B. Have a good time

C. OK. That’s all right

D. Congratulations

解析：句意：我将去北京旅游。祝你玩得开心。但别人说要去做某事时，通常用Have a good time.表示礼貌；故选B。