Is that the book____ he bought last saturday?

问题描述:

Is that the book____ he bought last saturday?
A.that
B.which
C.the one
D.where
为什么要选C?它们之间的区别是,这是什么用法?

the one 表特指啊
which在语法上是对的 但是不符合说话人的语气