When asked to explain made her remain so young , she began to tell us her secret.A. what it was that

【题目】When asked to explain ____ made her remain so young , she began to tell us her secret.

A. what it was that B. that what was it

C. it was what that D. what was it that

【答案】 A

【解析】

试题分析： 考查宾语从句与强调句。句意：当被要求解释什么让她如何年轻时，她开始告诉我们她的秘密。Explain后面跟宾语从句，由特殊疑问引导用正常语序，宾语从句由强调的特殊疑问句构成 wh---+it +be that +其它，故选A项；

考点 : 考查宾语从句与强调句