-Is this room----he lived in 5 years ago?

-Is this room____he lived in 5 years ago?
-Is this the room____he lived in 5 years ago?
A.that,that
B.the,one
C.that,the one
D.the one,that

D
上面一个疑问句的主语是this room,空格需要引导后面的从句成分,共同作为宾语.
下面一个疑问句的主语是this,宾语为the room,空格需要引导后面的从句成分,共同作为定语修饰the room.