题目

题型：不详难度：来源：

China"s success in manned－spacecraft travel shows ________ our country has become one of the greatest powers in space research.

A．what

B．which

C．/

D．it that

答案

C

解析

该句中的从句作shows的宾语，是宾语从句，又因为从句中不缺主、宾语，所以只能用that引导；又因引导宾语从句时that可以省略，所以答案是C。