❓ 题目 According to the passage, what is a primary reason why an ecosystem might fail to recover after a disturbance?
- A. A. The disturbance was too small to trigger a response from the system.
- B. B. The ecosystem lacks the necessary seed banks and soil nutrients.
- C. C. The system crosses a critical threshold, leading to a stabilized alternative state.
- D. D. Conservation managers intentionally prevent recovery to promote biodiversity.