❓ คำถาม According to the passage, which of the following is a major criticism of contingent valuation methods?
- A. A) They overestimate the economic value of cultural services.
- B. B) They are too expensive and time-consuming for practical use.
- C. C) They do not account for inherent ecological worth and service interdependencies.
- D. D) They focus solely on provisioning services while ignoring others.