a pair of socks的be动词用哪个

问题描述:

a pair of socks的be动词用哪个
This pair of socks( )5 yuan
A.is B.are C.do D.have

This pair of socks( A)5 yuan
A.is B.are C.do D.have
pair of中pair是单数用is.
我是从事英语的,不明再问.