也可答以Yes, help yourself.

有一读者问： 有这么一道选择题：

(1)— Could I borrow your dictionary?

— _____.

A. Yes, you may　B. Yes, you could

C. Yes, help yourself　D. Yes, go on

答案为A，为何不可用C?

C也常用，再如：

(2)— Can I borrow a pencil?

— Yes, help yourself.