题目内容
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
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。
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