I have a big box_______I keep all the cards I have received from my friends.

题目

I have a big box_______I keep all the cards I have received from my friends.
A.in which B.wherever C.in where D.on which
这句话选A,到底是那个短语的in提前了?

答案

是“I keep all the cards ”in the big box（which）
其中“i have received from my friends”只是cards的修饰