－Would you mind turning down the music?－.A. Yes I wouldB. No of courseC. No not at allD

问题补充：

－Would you mind turning down the music?－.

A. Yes, I would

B. No, of course

C. No, not at all

D. No, thanks

答案：

A. Yes, I would

B. No, of course

(答案→)C. No, not at all

D. No, thanks

解析：本句的意思是“你介意将音乐关小点吗？”，AB选项前后矛盾，不能清楚地表示介意还是不介意；而D选项用thanks明显与题意不符；C的意思是“不，一点也不介意”符合题意，所以本题选C。