【求赐教】prep语法 一道

shunliqumeiguo

7.(24727-!-item-!-188;#058&001574)

So-called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environment and natural resource base of countries as varied as China, the Netherlands, and Hungary.

(A) as varied as

(B) as varied as are

(C) as varied as those of

(D) that are as varied as

(E) that are varied as are

答案A

为什么不是C呢？ 不是应该有THOSE OF 指代environment and natural resource base 才能平行的吗？

shunliqumeiguo

求助啊。。。