单选题 Most people have come to realize that it is about time the government ______ further measures to control the population.
A. must take B. is taking C. takes D. took

【正确答案】 D

【答案解析】本题测试虚拟语气，it is time+句子，句子要用一般过去时态，意思是“是该做某事的时候了”，因为句子要用过去时态，所以D选项是正确答案。
译文：大部分人逐渐意识到是政府进一步采取措施来控制人口的时候了。