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The law does not mandate the wearing of protective gear while riding a bicycle, skateboard or any other unmotorized vehicle. Last year, however, thousands of injuries could have been prevented by the wearing of even just a helmet. Therefore, anyone using an unmotorized vehicle should wear a helmet.
Which of the following, if true, casts the most doubt on the argument's conclusion?
A. Concussion is a very dangerous injury that can result in a variety of medical problems.
B. Although a law has not been formed, many cyclists and skateboarders do wear protective gear out of their own wish to stay safe.
C. It has been proven that helmets restrict vision especially of objects that are at the side or behind the person wearing one.
D. The market for protective gear is expanding rapidly.
E. New materials are being used to create helmets that are lighter and more comfortable than ever.
OA C
Source: Economist Gmat
Which of the following, if true, casts the most doubt on the argument's conclusion?
A. Concussion is a very dangerous injury that can result in a variety of medical problems.
B. Although a law has not been formed, many cyclists and skateboarders do wear protective gear out of their own wish to stay safe.
C. It has been proven that helmets restrict vision especially of objects that are at the side or behind the person wearing one.
D. The market for protective gear is expanding rapidly.
E. New materials are being used to create helmets that are lighter and more comfortable than ever.
OA C
Source: Economist Gmat
