In the two yearsfollowing the unification of Germany in 1989, the number of cars owned byresidents of East Germany and the total distance traveled by cars in EastGermany both increased by about 40 percent. In those two years, however, the number of East German residents killedeach year as car occupants in traffic accidents increased by about 300 percent.
Which of thefollowing, if true, most helps to explain the disproportionate increase intraffic fatalities?
(A) The average numberof passengers per car was higher in the years before unification than it was inthe two years after.
(B) After unification,many people who had been living in East Germany relocated to West Germany.
(C) After unification,a smaller proportion of the cars being purchased by East German residents wereused vehicles.
(D) Drivers who haddriven little or not at all before 1989 accounted formuch of the increase in the total distance traveled by cars.
(E) Over the sametwo-year period in East Germany, other road users, such as motorcyclists,bicyclists, and pedestrians, experienced only small increases in trafficfatalities.
提问:D中说明由于新手多会导致车祸死亡人数增加,理解; 可A中说车载人数增加,也可以是导致车祸死亡人数增加的原因,为什么不对?
|