—Jenny you have got the first prize in the competition. Congratulations.— . .A. That’s m

问题补充：

—Jenny, you have got the first prize in the competition. Congratulations.

— . .

A. That’s my good luck

B. Oh, it’s nothing

C. Thank you

D. You can do it , too

答案：

A. That’s my good luck

B. Oh, it’s nothing

(答案→)C. Thank you

D. You can do it , too

解析：根据语境可知此句的含义是祝贺你，你在比赛中取得一等奖，其应答语应是表示感谢，故选C。