题目

I still remember ____ it was, he told me, ____ I could solve this kind of problems. A. what ;that     B. how; that        C. what, what        D. when, who 答案：B 解析: 选B。考察状语从句和强调句型。句意为：我仍然记得他告诉我的我能够如何解决这种问题。此句remember后面是一个强调句型，how作为方式状语，相当于by some way。若()n的展开式中存在常数项，则n的值可以是    (    )A.10              B.11                 C.12              D.14