Is this school ________ we visited 3 years ago? A. that B. where C. which D. the one

Is this school ________ we visited 3 years ago?
A. that B. where C. which D. the one
【答案】D
【解析】
【详解】考查定语从句。句意：这所学校是我们三年前参观的那所吗？分析句子可知，主句中缺少表语the school，故应用the one来代指。故选D。