A recent study, published in last week’s Journal of the American Medical Asso

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问题 A recent study, published in last week’s Journal of the American Medical Association, offers a picture of how risky it is to get a lift from a teenage driver. Indeed, a 16-year-old driver with three or more passengern is three times as likely to have a fatal accident as a teenager driving alone. By contrast, the risk of death for drivers between 30 and 59 decreases with each additional passenger.
The authors also found that the death rates for teenage drivers increased dramatically after 10 p.m., and especially after midnight. With passengers in the car, the driver was even more likely to die in a late-night accident.
Robert Foss, a scientist at the University of North Carolina Highway Safety Research Center, says the higher death rates for teenage drivers have less to do with "really stupid behavior" than with just a lack of driving experience. "The basic issue" he says. "is that adults who are responsible for issuing licenses fail to recognize how complex and skilled a task driving is."
Both he and the author of the study believe that the way to mitigate the problem is to have states institute so-called graduated licensing systems in which getting a license is a multistage process. A graduated license requires that a teenager first prove himself capable of driving in the presence of an adult followed by a period of driving with night or passenger restrictions before graduating to full driving privileges.
Graduated licensing systems have reduced teenage driver crashes according to recent studies. About half of the states now have some sort of graduated licensing system in place, but only l0 of those states have restrictions on passengers. California is the stricter, with a novice driver prohibited from carrying any passenger under 20 (without the presence of an adult over 25) for the first six months. [br] According to Robert Foss, the high death rate of teenage drivers is mainly due to ______

选项 A、their frequent driving at night
B、their improper way of driving
C、their lack of driving experience
D、their driving with passengers

答案 C

解析根据第三段中的"the higher death rates for teenage drivers have less to do with ‘really stupid behavior than with just a lack of driving experience”，便可断定C 为正确答案。

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