Which of the following best completes the passage below?
>Since an experienced, top-rated race car driver is now constantly losing a race he once won before he acquired a certain race car, he plans to junk the race car he is currently using and replace it with a better model. The improved and new race car model is more likely to improve the race car driver's performance than any other factor because
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Athe driver may have new personal problems that have nothing to do with his car's performance
分析该选项
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Braces tend to emphasize quality of the car over quality of the driver
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Cdecisions to switch race cars should be based on that particular model's success rate
分析该选项
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Dthe driver may not necessarily have been able to overcome other obstacles during recent races
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Eimproved race cars are very expensive and difficult for many teams to afford
分析该选项
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正确答案: B