Can you lend me the book ——the other day?

问题描述:

Can you lend me the book ——the other day?
A.about which you talked B.that you talked 为什么不选B

句意:你能借给我那天你谈到的那本书吗?
谈到 talk about 固定词组那为什么用 which不用that?因为在介词后面的定语从句不能用that,只能用which 。前面有介词about.