—Would you mind if I smoke?—.A. Yes please doB. Not at allC. All right D. That’s OK

问题补充：

—Would you mind if I smoke?

—.

A. Yes,please do

B. Not at all

C. All right

D. That’s OK

答案：

A. Yes,please do

(答案→)B. Not at all

C. All right

D. That’s OK

解析：Yes,please do是的，请吧！Not at all一点也不，别客气；All right好吧；That’s OK没关系。联系上文，你介意我抽烟吗？可知选B，最符合语境。