Question ID:PT90 S4 Q6 Passage:If the proposed air pollution measures were to be implemented, ozone levels in the city's air would be one fifth lower than current levels. Since the ozone in our air is currently responsible for over $5 billion in health costs, we would spend about a billion dollars less on these ozone-related health costs should the proposed measures be adopted. Stem:The argument is most vulnerable to criticism on the grounds that it Correct Answer Choice:BChoice A:fails to consider the possibility that other types of pollution not involving ozone might rise, perhaps even producing an overall increase in health costs Choice B:presumes, without providing evidence, that ozone-related health costs in the city vary roughly in proportion to ozone levels Choice C:provides no explicit reason for believing that the proposed air pollution measures will in fact be adopted Choice D:attempts to support its conclusion by making an appeal to emotions Choice E:discusses air pollution in order to draw attention away from more significant sources of health-related costs