❓ 题目 According to the passage, what is a primary reason some scientists oppose formal recognition of the Anthropocene?
- A. A. Human impact on Earth is too minor to leave distinct geological markers.
- B. B. The proposed markers are not consistent across different regions and times.
- C. C. The term was not originally coined by a recognized geologist.
- D. D. The concept has already been rejected by the International Commission.