❓ 题目 According to the passage, which of the following is a primary reason why the economic valuation of ecosystem services is controversial?
- A. A. It fails to consider the spatial mismatch between costs and benefits.
- B. B. It may oversimplify the intrinsic value of nature and lead to commodification.
- C. C. It has not been useful in influencing environmental policy decisions.
- D. D. It ignores the provisioning services that are essential for human survival.