—I’m going to Sanya for the summer holiday. —! A. Have a good timeB. Well doneC. Best wish

问题补充：

—I’m going to Sanya for the summer holiday.

—!

A. Have a good time

B. Well done

C. Best wishes to you

D. Thanks a lot

答案：

(答案→)A. Have a good time

B. Well done

C. Best wishes to you

D. Thanks a lot

解析：句意：我要去三亚过暑假。祝你快乐。Have a good time祝你快乐；Well done做得好；.Best wishes to you祝福你；Thanks a lot多谢。根据情境可知该选A。