Question ID:PT77 S4 Q19 Passage:Studies have shown that pedestrians are struck by cars when crossing streets in crosswalks more often than they are struck when crossing outside of crosswalks. This is because crosswalks give many pedestrians an overly strong sense of security that oncoming cars will follow the signals, and these pedestrians are less likely to look both ways before crossing the street. Stem:Which one of the following, if true, most undermines the explanation proposed above? Correct Answer Choice:AChoice A:The overwhelming majority of pedestrians in high-traffic areas cross streets in crosswalks. Choice B:The number of pedestrians struck by cars has increased in recent years. Choice C:Pedestrians tend to underestimate the chances that the signals at a crosswalk will malfunction.  Choice D:Drivers are generally most alert to pedestrians who are in or near crosswalks.  Choice E:Measures intended to promote safety tend to make people less cautious. 