_______ a certain doubt among the people as to the practical value of the project.

问题描述:

_______ a certain doubt among the people as to the practical value of the project.
A.It has B.They have C.It remains D.There remains
这个题为什么选D?选C为什么不行?

D
there is (no) doubt that..是句型,有没有疑问
C是我们自己想象出来的,不存在这样结构.
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