— No smoking here sir!— Oh sorry. A. Thank you for your reminding.B. It’s none of your

问题补充：

— No smoking here, sir!

— Oh, sorry.

A. Thank you for your reminding.

B. It’s none of your business.

C. What a great idea!

D. Do you want one?

答案：

(答案→)A. Thank you for your reminding.

B. It’s none of your business.

C. What a great idea!

D. Do you want one?

解析：考查情景交际。句意：--先生，这里禁止吸烟！--噢，对不起。谢谢你的提醒。A谢谢你的提醒；B不关你的事；C好主意；D要来一支吗。B项显得没有礼貌；根据sorry可知，那位先生已经道歉了，C、D与语境不符，故选A。