—Don’t have your mobile phone on when you are in the library.— .A. No I willB. sorry I

问题补充：

—Don’t have your mobile phone on when you are in the library.

— .

A. No, I will

B. sorry, I won’t

C. Yes, I will

D. Yes, I won’t

答案：

A. No, I will

(答案→)B. sorry, I won’t

C. Yes, I will

D. Yes, I won’t

解析：表示回答的人以后不再那样做了，故选B