The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.
A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of 答案：A 我当时就在A和B中间纠结，最后还是选了B B错在哪里？这样的题目我一直有点糊涂 谢谢作者: clumsy123 时间: 2011-4-17 20:41
the increase应该就是指代前句的The number of people flying first class on domestic flights rose sharply ，如果是B，that of the increase，“增长的。。。”显然不合逻辑啊~作者: wjk 时间: 2011-4-17 20:47
明白了，谢谢啊！！！