GWD一到问题求问

lainemai

Deltaproducts, Inc., has recently switched at least partly from older technologiesusing fossil fuels to new technologies powered by electricity. The question has been raised whether it canbe concluded that for a given level of output, Delta's operation now causesless fossil fuel to be consumed than it did formerly. The answer, clearly, isyes, since the amount of fossil fuelused to generate the electricity needed to power the new technologies is lessthan the amount needed to power the older technologies, provided that the levelof output is held constant.
In the argument given, the two boldface portions play which of the followingroles?

A The first identifies the content of theconclusion of the argument; the second provides support for that conclusion.

B The first provides support for theconclusion of the argument; the second identifies the content of thatconclusion.

C The first states the position that theargument opposes; the second states the conclusion of the argument.

D Each provides evidence that calls theconclusion of the argument into question.

E Each provides support for the conclusion ofthe argument.

这道正确答案是E，我选的是A，我觉得第一句话根本就不是support啊，为什么会是support,求牛牛回答~~谢谢~~~