单选题 Editorialist: Additional restrictions should be placed on driver's licenses of teenagers because teenagers lack basic driving skills. Even though drivers of age nineteen and younger make up only 7 percent of registered drivers, they are responsible for over 14 percent of traffic fatalities. Each of the following, if true, weakens the argument that teenagers lack basic driving skills EXCEPT:

【正确答案】 D
【答案解析】[解析] 一个司机卷入交通事故的多少,不仅仅取决于他的开车技巧,因此凡是能说明青少年引起的交通事故不是由于他的车技太差的论述都能削弱本题的结论。很显明在本题的5个选项中除了(D)之外的4个选项都通过找他因的办法证明了青少年引起的交通死亡事故较多不是由他们的车技太差所致。