they are living with their parents for the moment because their oun house __A.is being rebuiltB,has been rebuiltC,is rebuiltD,has rebuilt请帮忙详细解析,选哪一个?为什么?
问题描述：
they are living with their parents for the moment because their oun house __
A.is being rebuilt
B,has been rebuilt
C,is rebuilt
D,has rebuilt
请帮忙详细解析,选哪一个?为什么?
答
A 正在发生的事 并且是被动的 也就是被建