A number of workers in this factory _____ Party members,and the n_英语解答

A number of workers in this factory _____ Party members,and the number _____ 45.
A.is;is
B.are;are
C.are;is
D.is;are

人气：186 ℃　时间：2019-10-19 15:01:49

解答

答案选择C
a number of ……的数量,是复数,后面用动词原形或者be动词的复数形式
the number of ……的数目,是单数,后面用动词单三或者be动词单数形式
所以答案选择C很明显了