定语从句：1.Is this the river ___ i can swim?A.which B.in which C.that D.the one

题目

定语从句：1.Is this the river ___ i can swim?A.which B.in which C.that D.the one
请说明为什么?

答案

B
I can swim in the river
定语从句,修饰river,要带上介词in,in which
另外,A C D 的作用是一样的,是可以相互代替的