—Sorry, I made a mistake again.
— . Practice more and you’ll succeed.
A. Never mind
B. Certainly not
C. Not at all
D. Don’t mention it
网友回答
(答案→)A. Never mind
B. Certainly not
C. Not at all
D. Don’t mention it
解析：Certainly not常用来回答别人问是否见意的问题；Not at all 和 Don’t mention it.用于别人致谢时的答语。只有Never mind符合语境。题意是“对不起，我又出错了。没关系，多练习，你就会成功的。”