the people have become masters of their country science can really serve the peo
来源：网络
时间：
推荐文章
_______ the people have become masters of their country _______ science can really serve the people.
A. It is only then; that ?
B. It was that; when?
C. It is only when; that
D. It was when; then?
试题答案
C?
解析:
本题考查强调句型。被强调部分为状语从句only when the people...country；that为强调句型的引导词。