Q1. Which one of the following best captures the central argument of the passage?
A. Preventive policies are generally undervalued because governments cannot provide direct evidence that they prevent adverse events.
B. Preventive measures should receive stable funding because their benefits become apparent only after they are discontinued.
C. Effective prevention can make its own benefits difficult to observe, requiring counterfactual evaluation while still remaining subject to evidence, cost considerations and periodic reassessment.
D. Preventive policies are superior to remedial policies because preventing harm is normally less expensive than responding to it.