❓ 题目 According to the passage, why might traditional economic valuation methods be unreliable for assessing cultural ecosystem services?
- A. A. They focus only on provisioning services, ignoring non-material benefits.
- B. B. They rely on stated preferences that may be inflated due to hypothetical bias.
- C. C. They prioritize biodiversity hotspots over urban green spaces.
- D. D. They fail to use geospatial analysis, unlike modern research.