—Boys would you mind not playing basketball here?— Mr. Li.A. No thanksB. Sorry we wont

问题补充：

—Boys, would you mind not playing basketball here?

—,Mr. Li.

A. No, thanks

B. Sorry, we won do it again

C. You are welcome

D. I can stand it

答案：

A. No, thanks

(答案→)B. Sorry, we won do it again

C. You are welcome

D. I can stand it

解析：根据题干，上句的意思是“孩子们，你们介意不在这里打篮球吗？”回答应该有礼貌，故回答应该是“对不起，我们将不再在这里打了。”而A的意思是“不，谢谢”，C“别客气”，D是“我坚持不住。”很明显不符合题意。所以本题选B。