47. So-called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environmental 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
A: correct，A as varied as B, A和B要平行，B用来解释A B: are多余，会有和taxes比较的歧义
C: those指代不明，应该指代the environmental and natural resource base D: that are多余，不如A简洁
E: 结构混乱
注意：
1、A as xxx as B的结构
有解释，可是我也看不出到底谁和谁比较，什么意思啊到底？大家帮帮忙！！！ | 
