求教一道语法题！！！！！！！！！！

斯坦福桥的车夫

The gap in the ozone hole over the North
Pole can expand each summer enough that
it exposes regions as far south as Sweden by
heightened UV radiation, also increasing
rates of skin cancer in the northern regions
by as much as 50 percent.
A. that it exposes regions as far south as
Sweden by heightened UV radiation, also
increasing
B. that regions as far south as Sweden have
been exposed to heightened UV radiation,
as well as having increased
C. to expose regions as far south as Sweden
to heightened UV radiation, increased
D. to expose regions as far south as Sweden
to heightened UV radiation and increase
E. that exposure to heightened UV radiation
in regions as far south as Sweden, as well
as increasing
答案是D，请大牛为我看一下C的错误，谢谢了

斯坦福桥的车夫

快来人啊！！！！！！！！！！！！！！！！！！

slgbond

The gap ....can expand.....and increase ....
C明显不平行,故D

斯坦福桥的车夫

The gap ....can expand.....and increase ....
C明显不平行,故D

-- by 会员 slgbond (2012/1/11 22:30:26)

请问increasd不能修饰radiation吗？我感觉应该是radiation增加了致癌率啊？

斯坦福桥的车夫

求解啊

zoexixi

The gap ....can expand.....and increase ....
C明显不平行,故D

-- by 会员 slgbond (2012/1/11 22:30:26)

请问increasd不能修饰radiation吗？我感觉应该是radiation增加了致癌率啊？

-- by 会员 斯坦福桥的车夫 (2012/1/12 9:18:54)

如果修饰 radiation, 要用incresing，表主动。不过这里increasing也不对，放句尾会歧义，而且如LS所说，应该是平行结构才对

HarrisZheng

The gap ....can expand.....and increase ....
C明显不平行,故D

-- by 会员 slgbond (2012/1/11 22:30:26)

请问increasd不能修饰radiation吗？我感觉应该是radiation增加了致癌率啊？

-- by 会员 斯坦福桥的车夫 (2012/1/12 9:18:54)

不可以，过去分词不论做定语还是做状语，都表示被动含义