Which of the following, if true, would best support the mayor's claim that the helmet law has been a success? A. If accident victims do not die as a result of a head injury, they often suffer from permanent brain damage. B. While only 15 percent of all bicycle accidents resulting in injury occur as a result of a collision with a motor vehicle, those accidents represent 90 percent of fatal accidents. C. In bicycle accidents, injuries to hands, knees, and elbows are far more common than head injuries. D. Typically, fatality rates for bicycle accident victims who sustain serious head injuries are twice as high when the victims are not wearing helmets as when they are. E. The effect of the helmet law in Middletown is typical; other towns also experienced a higher incidence of head injuries but a lower fatality rate.