Question
In the question below, a premise is given, followed by
statements that may or may not weaken the assertion made in the premise. Read the question and answer it as per the individual direction mentioned. The city administration has proposed a ban on all private vehicles in the central business district (CBD) in order to reduce air pollution. The administration argues that this ban will significantly cut down emissions and improve air quality. However, critics argue that unless the administration also improves public transport infrastructure before the ban, the influx of people who depend on private vehicles will overwhelm the existing system. Thus, the proposal must include provisions to increase the capacity and efficiency of public transport before banning private vehicles. Which of the following statements weaken the argument that the proposal must improve public transport before implementing the ban?Solution
The argument claims that the proposal must include better public transport before banning private vehicles; otherwise, commuters will overwhelm the existing system. Option C weakens the argument because if most commuters are willing to walk or cycle, the pressure on public transport will not increase significantly. Thus, improving public transport before the ban may not be necessary. Option A is not strong enough because success elsewhere does not guarantee success under the city's specific conditions. Option B is irrelevant because the argument is about pressure on public transport, not the exact source of congestion. Option D actually strengthens the original concern—it suggests improvements are already planned, implying they are necessary. Therefore, C weakens the given argument most effectively.
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