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

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

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

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

b.
has/have been+v.(p.p) 一般过去式

答案为b
在报道时已经被收养