Question ID:PT87 S3 Q3 Passage:Columnist: Although it is our civic duty to protect the population against hazards to public health, we should not reroute high-tension power lines away from heavily populated areas. This is because our limited resources should be devoted to protecting the population only against well-substantiated threats to public health. Stem:The conclusion of the columnist's argument can be properly drawn if which one of the following is assumed? Correct Answer Choice:DChoice A:Public health would be damaged by the loss of electric power. Choice B:Proponents of expensive safety measures with respect to high-tension power lines ignore economic realities. Choice C:Scientific evidence exists for causal links between various modern practices and threats to public health. Choice D:No investigation of the effects of high-tension power lines has established any health threat to people. Choice E:Rerouting high-tension power lines away from heavily populated areas would hinder our ability to study the effects of power lines on people.