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    Question

    In the last decade, most car manufacturers tried to

    improve the fuel efficiency of their vehicles by reducing the overall weight of the car. However, this year, the best-selling car model across the country is also one of the heaviest cars ever produced. This clearly shows that consumers now care more about safety and comfort features than about fuel efficiency. Which of the following, if true, most seriously weakens the argument above?
    A The best-selling car model is equipped with a new engine design that provides high fuel efficiency despite the car’s increased weight. Correct Answer Incorrect Answer
    B Several major car manufacturers have introduced new safety regulations this year. Correct Answer Incorrect Answer
    C Consumers are more aware of the safety features available in cars than they were a decade ago. Correct Answer Incorrect Answer
    D The price of fuel has remained constant for the past few years. Correct Answer Incorrect Answer

    Solution

    The argument concludes that since a heavier car model has become the best-seller, consumers must be prioritizing safety and comfort over fuel efficiency.
    To weaken this, we need to show that the car’s popularity could be due to reasons other than reduced concern for fuel efficiency. Option A: Correct. If the heavy car still offers high fuel efficiency due to a new engine design, consumers can still value fuel efficiency—thus undermining the conclusion that they prioritize safety and comfort instead. Option B: Talks about regulations, not consumer preference. Option C: Supports the argument, not weakens it. Option D: Irrelevant to the reasoning. Option E: Might encourage buying safer cars but does not directly explain why consumers prefer this heavy car independent of safety concerns. Hence, option A most seriously weakens the argument.

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