Question

【题目】Gun control is a subject Americans have argued for a long time.

A.of whichB.with whichC.about whichD.into which

Answer 1

【答案】C

【解析】

考查定语从句。句意：枪支管制是美国人争论已久的话题。先行词为Gun control，指物，关系词在从句中做介词的宾语，介词前置，介词与从句动词构成搭配argue about sth。故选C项。