❓ 题目 According to the passage, which of the following statements about tipping points is true?
- A. A. Tipping points occur at the same threshold for all climate components.
- B. B. The collapse of the West Antarctic Ice Sheet would likely cause a sea-level rise of several meters.
- C. C. The Amazon rainforest is unlikely to be affected by climate change.
- D. D. Scientists have precise predictions for all tipping points.