Question ID:PT41 S3 Q4 Passage:Industrialist:  Environmentalists contend that emissions from our factory pose a health risk to those living downwind. The only testimony presented in support of this contention comes from residents of the communities surrounding the factory. But only a trained scientist can determine whether or not these emissions are dangerous, and none of the residents are scientists. Hence our factory's emissions present no health risk. Stem:The reasoning in the industrialist's argument is flawed because the argument Correct Answer Choice:CChoice A:impugns the motives of the residents rather than assessing the reasons for their contention Choice B:does not consider the safety of emissions from other sources in the area Choice C:presents no testimony from scientists that the emissions are safe Choice D:fails to discuss the benefits of the factory to the surrounding community Choice E:equivocates between two different notions of the term "health risk"