Question

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

A. of which B. with which

C. about which D. into which

Answer 1

【答案】C

【解析】试题分析：考查介词+关系代词。句意：枪支管制是美国人一直在谈论的一个话题。argue about sth谈论某事，先行词是subject，which引导定语从句并在定语从句中作宾语，故选C。