They are living with their parents for the moment because their own house .A. is being reb

问题补充：

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

A. is being rebuilt

B. has been rebuilt

C. is rebuilt

D. has rebuilt

答案：

(答案→)A. is being rebuilt

B. has been rebuilt

C. is rebuilt

D. has rebuilt

解析：本题考查动词的时态和语态。句意为：他们现在暂时和父母一起居住，因为他们自己的房子正在重建。根据句意可知，应使用被动语态，且house与动词rebuilt之间为被动关系，故使用现在进行时态的被动语态。