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】这题考查定语从句的用法：根据定语从句中的argue可知是少介词about，所以用about  which，根据句意：枪支控制指美国人一直争论的一个话题。选C。