I think it is of prime importance that we pay close attention to the the inherent logic; still, we should be wary about potentially overextending the scope. With regard to choice B, I 'd refrain from elaborating on the logical legitimacy of using "reduced costs" here; instead, thanks to a friend, an example put forward below may do the job: Contrary to earlier conjectures, it may be that increased atmospheric carbon dioxide resulting from the combustion of fossil fuels would cool the globe by reducing the amount of solar energy absorbed by snow I believe the underlined part is kind of self-explanatory. As to choice C, both using and omitting the 'a' before resolution are OK. That said, in D the order in which the three elements are arranged is so clear and neat that not even the slightest ambiguity is generated. |