Question ID:PT57 S3 Q10 Passage:Columnist:  The failure of bicyclists to obey traffic regulations is a causal factor in more than one quarter of the traffic accidents involving bicycles. Since inadequate bicycle safety equipment is also a factor in more than a quarter of such accidents, bicyclists are at least partially responsible for more than half of the traffic accidents involving bicycles. Stem:The columnist's reasoning is flawed in that it Correct Answer Choice:CChoice A:presumes, without providing justification, that motorists are a factor in less than half of the traffic accidents involving bicycles Choice B:improperly infers the presence of a causal connection on the basis of a correlation Choice C:fails to consider the possibility that more than one factor may contribute to a given accident Choice D:fails to provide the source of the figures it cites Choice E:fails to consider that the severity of injuries to bicyclists from traffic accidents can vary widely