涉及宾语语序的选择题

The earth might look like a perfect sphere, but careful measurements _____.

A. show that it is not

B. show that it is

C. that show it is not

D. show it that is not

这道题如何做？理由是?

The earth might look like a perfect sphere, but careful measurements show that it is not.

参考译文：或许地球看着像一个完美无缺的球体，但事实上周密的的测量结果表明它不是。

A. show that it is not

B. show that it is

C. that show it is not

D. show it that is not

A为正确答案，从属连词that引导宾语从句