Question

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】

考查定语从句，先行词是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，选C。