---Where did you get to know her?
---It was on the farm we worked.
A. that
B. there
C. which
D. where
网友回答
A. that
B. there
C. which
(答案→)D. where
解析：关系副词where引导定语从句，修饰表示地点的先行词,在定语从句中充当地点状语。根据先行词the farm可确定用where引导定语从句。表示我们工作的那个农场。which引导定语从句,在从句中作主语、宾语、表语或定语。this和that都不能引导定语从句,所以是错误的。