During the war hundreds of thousands of children were ____ from cities to rural areas.
问题描述：
During the war hundreds of thousands of children were ____ from cities to rural areas.
a.evacuated
b.withdrawn
c.retreated
d.exiled
A和B在此处有何区别?
答
A有疏散人群的意思,这个是被动的句式,A才是正确的.withdraw是退缩的意思,比较主观,用在这里不恰当