—There is still a copy of the book in the library．Will you go and borrow _____?
—No．I’d rather buy ______ in the bookstore．

A．one; one

B．one; it

C．it; one

D．it; it

科目 英语   题型 单选题   难度 较难

知识点： 与数量有关的代词和限定词