GRE Text Completion: JiJing 1373-GRE填空机经1373题 - I79M0I708_77482VA

Agencies responsible for protecting natural resources too often issue permits allowing exploitation of those resources, a process that remains ____________ given that agencies have become experts at masking their decisions in the scientific terms. A. controversial B. exacting C. obscure D. onerous E. opaque F. misleading