❓ 题目 According to the passage, which of the following is a reason critics oppose the formalization of the Anthropocene as a geological epoch?
- A. A. The markers of the Anthropocene are not globally consistent in time.
- B. B. The term is too narrow and does not include climate change.
- C. C. Human activities have only recently begun to affect the environment.
- D. D. The concept is primarily based on natural forces rather than human impact.