Doyoulikethebookwhosecoverisyellow?为什么从句中用whose,不用which?

问题：Doyoulikethebookwhosecoverisyellow?为什么从句中用whose,不用which?

答案：↓↓↓

金笑天的回答：

网友采纳　　whosecoverisyellow这是定语从句　　whose=ofwhich,由于which代替先行词thebook,可见ofwhich意为“这本书【的】”（封面）,如果仅仅用which,便只能指代thebook,没有【of】的意思