---I will go to Dalian for a holiday.
--- .
A. Thank you.
B. Sorry to hear that.
C. Have a good time.
D. Enjoy yourselves.
网友回答
A. Thank you.
B. Sorry to hear that.
(答案→)C. Have a good time.
D. Enjoy yourselves.
解析：Thank you.谢谢你；Sorry to hear that.很遗憾听到那个消息； Have a good time.祝你玩得愉快； Enjoy yourselves.感到愉快。句意：我要去大连度假。结合语境可知选C最符合语境。