Jane was dressed in brown________Mary was dressed in blue

问题描述:

Jane was dressed in brown________Mary was dressed in blue
a.as
b.when
c.while
d.or
请问a错哪里了

a.as
conj.因为;随着;虽然;依照;当…时
b.when
conj.考虑到;既然;当…时
c.while
conj.然而;
d.or
conj.或,或者;还是
这里选c.while
因为前面后有对比,比较