Question

【题目】The 2013 population investigation shows one in four people in Jiangsu will be over 65 and the number of over-85 people ________ by 2030．

A. have doubled B. will be doubled

C. will have doubled D. will double

Answer 1

【答案】C

【解析】2013年人口调查表明在江苏省四分之一的人超过了65岁，并且到2032年年龄超过85岁的人的数量会翻倍。根据时间状语by 2030可知，应用将来完成时。