❓ 题目 According to the passage, which of the following is a major criticism of methods used to value ecosystem services?
- A. A. They focus too much on supporting services and ignore cultural services.
- B. B. They are often subjective and may underestimate the intrinsic value of ecosystems.
- C. C. They rely exclusively on market prices, excluding non-monetary benefits.
- D. D. They tend to overestimate the value of regulating services relative to provisioning services.