it is reported that more than 100000 Chinese orphans adopted by families from overseas.a.were b.have been

问题描述:

it is reported that more than 100000 Chinese orphans adopted by families from overseas.
a.were b.have been

答案为b
在报道时已经被收养

b.
has/have been+v.(p.p) 一般过去式

B
是已经被外国人收养,是一种状态.

答案是have been
分析:前面是it is reported that,而不是it was reported
希望采纳,谢谢