Question

----- Where did you get to know her?
----  It was on the farm  _______ we worked．

A．that

B．where

C．there

D．which

Answer 1

B

考查的是定语从句。句意：你在哪里开始认识她的？就是在我们一起工作的那个农场。先行词为the farm ，后缺少地点状语。所以选B。