Lan lives in the house. The house is behind my hou...

Câu hỏi: Lan lives in the house. The house is behind my house.

A Lan lives in the house and which it is behind my house. 

B Lan lives in the house which it is behind my house.

C  Lan lives in the house which is behind my house. 

D Lan lives in the house where is behind my house.