---- Thank you for your help.---- .A. Don’t mention itB. Never mindC. It doesn’t matterD.

问题补充：

---- Thank you for your help.

---- .

A. Don’t mention it

B. Never mind

C. It doesn’t matter

D. That’s all right

答案：

(答案→)A. Don’t mention it

B. Never mind

C. It doesn’t matter

D. That’s all right

解析：这里用Don’t mention it表示不要客气。