❓ 题目 According to paragraph 3 (the passage), what is a major limitation of the ecosystem services framework?
- A. It fails to account for provisioning services like food and water.
- B. It cannot easily assign monetary value to non-material services such as cultural or spiritual benefits.
- C. It has been rejected by international policy bodies like the UN.
- D. It ignores the role of regulating services in climate control.