The number of people who speak English_large,and a large number o_英语解答

The number of people who speak English_large,and a large number of people _native speakers.
A.are are B.is areC is is D are is
选哪个?andwhy?

人气：471 ℃　时间：2019-10-11 09:28:47

解答

B
因为第一个空,主语是number,单数,因此用is
第二个空主语是people,是复数,所以用are怎么判断的是主语？根据意思吗？可以具体说一下怎么判断的吗？