GMAT Sentence Correction (SC) | Re: So called green taxes, which exact a price for the use of

Version Created Via Using C: 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 countriesas varied as those of China, the Netherlands, and Hungary.

"resource base of countries as varied as those of China" does not make sense, as "those" can only refer to "countries".
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