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。