Question ID:PT54 S4 Q19 Passage:Cyclists in the Tour de France are extremely physically fit: all of the winners of this race have had abnormal physiological constitutions. Typical of the abnormal physiology of these athletes are exceptional lung capacity and exceptionally powerful hearts. Tests conducted on last year's winner did not reveal an exceptionally powerful heart. That cyclist must, therefore, have exceptional lung capacity. Stem:The reasoning in the argument is most vulnerable to criticism on the grounds that it overlooks the possibility that Correct Answer Choice:BChoice A:having exceptional lung capacity and an exceptionally powerful heart is an advantage in cycling Choice B:some winners of the Tour de France have neither exceptional lung capacity nor exceptionally powerful hearts Choice C:cyclists with normal lung capacity rarely have exceptionally powerful hearts Choice D:the exceptional lung capacity and exceptionally powerful hearts of Tour de France winners are due to training Choice E:the notions of exceptional lung capacity and exceptional heart function are relative to the physiology of most cyclists