Choose A, B, C or D as the best answer.2. Which statement would the author, most probably, agree with?

Question

BlackTom AI · Accepted Answer

Investment in public transportation reduces congestion, lowers per-capita emissions, and supports compact land use, so choosing option B directly follows from those core sustainability principles.

1) Relevant knowledge points and concepts
- Sustainable cities prioritize reduced greenhouse-gas emissions, equitable access, and efficient use of space and resources.
- Public transit (buses, trains, trams) moves many people with far less energy and emissions per passenger-kilometer than private cars.
- Good transit networks decrease traffic congestion, free up road space, and enable walking and cycling as complementary modes.
- Policy and planning that favor private cars tend to increase sprawl, air pollution, and vehicle dependence.

2) Step-by-step reasoning
- If the author argues for sustainability, they will favor solutions that lower emissions and improve access for many residents.
- Public transportation directly addresses those goals by transporting large numbers efficiently and encouraging denser development patterns.
- The alternatives either contradict those goals or are overstated: promoting private cars worsens emissions and congestion; claiming urbanization has minimal impact ignores well-documented traffic and pollution effects; denying the role of walking/cycling contradicts evidence that active modes reduce short car trips.
- Therefore the author would most probably endorse investment in public transportation as essential to creating sustainable cities.

3) Intermediate logical steps (explicit)
- Sustainable objective → need lower per-capita transport emissions.
- Lower emissions → shift from private cars to high-capacity transit and active travel.
- Shift requires investment and planning → thus public transport investment is essential.

4) Why the correct answer is correct
Option B encapsulates the direct policy implication of sustainability-focused urban arguments: funding and improving public transit is necessary to achieve reduced emissions, less congestion, and equitable mobility.

5) Why other options are incorrect
- A (private cars are most efficient) contradicts per-passenger efficiency and sustainability goals.
- C (urbanization has minimal impact) ignores evidence linking urban growth to congestion and air pollution.
- D (walking/cycling do not contribute) contradicts studies showing active travel reduces short car trips.

Conclusion: The best choice is b. Investment in public transportation is essential for creating sustainable cities.

Choose A, B, C or D as the best answer.2. Which statement would the author, most probably, agree with?单项选择题

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