They are living with their parents for the moment because their own house .A. has been reb

问题补充：

They are living with their parents for the moment because their own house .

A. has been rebuilt

B. is being rebuilt

C. is rebuilt

D. has rebuilt

答案：

A. has been rebuilt

(答案→)B. is being rebuilt

C. is rebuilt

D. has rebuilt

解析：考查时态，时间状语for the moment可以知道时态是进行时，因为房子是被修，所以用被动式，所以选B，句子意思“他们现在和他们的父母住在一起因为它们的房子正在被重建”