问题描述：
he still lives in the room （ ）window faces to the east he still lives in the room，the window（ ）faces to the east he still lives in the room （ ）is in the north of the city he still lives in the room（ ）there is a beautiful table A.which B.whose C.where D.of which 再讲解一下为什么吧，感谢了呜呜
最佳答案：
he still lives in the room （whose ）window faces to the east
he still lives in the room，the window（of which ）faces to the east
he still lives in the room （which ）is in the north of the city
he still lives in the room（where ）there is a beautiful table
