I hear a number of workers in the factory ___ out of workYes,and _英语解答

I hear a number of workers in the factory ___ out of work
Yes,and the number ____ quite huge
A are;is B is;are C is;is D are;are

人气：452 ℃　时间：2019-11-02 21:48:40

解答

A 是正确答案,a number of workers是形容很多的工人,用复数.the number of 是.的数目,用单数.相信我啊