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】argue about sth.争论某事；argue with sb.与某人争论。句意：枪支的控制是很长时间以来美国人争论的话题。