单选题 --Where did you get to know her? --It was on the farm ______ we worked.
【正确答案】 D
【答案解析】 [解析] 这里要填入一个定语从句的引导词,先行词是the farm,因此引导词应该是on which或where,即定语从句where we worked或on which we worked修饰the farm,故选D。