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

Question

___D___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
这个句子看不明白 [people as to the practical value of the project]是什么意思什么结构？

Answer 1

C. There remains
意为：人们对该工程的实际价值有所疑惑。
remain 这里 可以 等同于 is 用 表示 有，存在着， 也可以用 exsit s
可以到字典里详细了解 remain 的此行以及用法

Answer 2

人们始终怀疑这个工程的实际价值