i have got a lot of books,( )are written in foreign languages.A,and most of which B,some of which C,some of them D,most of these為什么選 B?

熱心網友

非限制性定語從句是先行詞的附加說明，去掉了也不會影響主句的意思，它與主句之間通常用逗號分開，從句修飾主語或賓語，不限制詞義，只是做一些補充。例如：I will buy a book，which tells about the use of English idioms．所以選B

熱心網友

準確地說，是非限制性定語從句，which指代前半句的books

熱心網友

這是一個定語從句,which指代前面的books