【题目】The man took out a knife and made a mark ____ his sword was dropped, confusing the passengers on board.
A.from whereB.whatC.on whichD.where
在线课程【答案】D
【解析】
考查定语从句。句意：这名男子拿出一把刀，在剑掉的地方做了个记号，让舟上的乘客迷惑不解。分析句子可知，先行词为mark在，____ his sword was dropped在句中作地点状语，所以关系副词用where引导。故选D。