关于比较的问题~

栖叶泠风

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

the number和increase可以进行比较么？？？？

clarry

比较句强调比较对象的一致性：
The number of people flying first class on domestic flights rose 和 increase做比较，是合理的。
B中的that of the increase，that指代number of the people的话，这个比较变成：
the number of the people of the increase...就不合理了。

falco

B选项是双倍的增长和人数的比较~~整句话意思不对~~