Read the passage below and choose the option that most strengthens the argument. Passage: Skeptics of implementing "Smart Traffic Grids" in metropolitan cities argue that the reliance on automated sensors will lead to massive system failures during peak hours, causing gridlock. However, this concern is unfounded; in Singapore, a comprehensive Smart Traffic Grid has been operational for years, and the city has seen a consistent decrease in traffic congestion during peak times. Therefore, other major metropolises should confidently adopt similar automated systems. Which of the following, if true, most strengthens the argument?

Analysis of the Argument: The passage uses the success of a system in one location (Singapore) to justify its implementation in other locations. This is an "argument by analogy." Statement C is correct: It strengthens the argument by validating the analogy. If the traffic patterns and urban density are similar, the success seen in Singapore is much more likely to be replicated in the new cities. This bridges the gap between the two different environments. A is incorrect: This might actually weaken the argument, as it suggests the system's success in Singapore might be due to fewer cars on the road rather than the technology itself. B is incorrect: The cost of the software is not the focus of the argument, which is concerned with system reliability and traffic flow. D is incorrect: Success in an unrelated sector (banking) does not necessarily prove that traffic sensors will be reliable under the physical stress of peak-hour road conditions.