单选题 At that time I was ignorant ______ events going on elsewhere.
A. of B. with
C. to D. for

【正确答案】 A
【答案解析】该题是词汇题,考查形容词与介词的搭配。形容词ignorant意思是“对某物不了解”,与介词of或about连用,如:He is completely ignorant about/of modern technology. 他对现代技术一无所知。其他几个介词不能与形容词搭配使用,因此,根据题意,选项A为最佳答案。