❓ 题目 According to the passage, what is one major reason why the Anthropocene has not been formally recognized as a geological epoch?
- A. A. The markers used to define it are not globally synchronous.
- B. B. The term was popularized by a non-geologist.
- C. C. There is no evidence of human impact on Earth's geology.
- D. D. The International Commission on Stratigraphy lacks funding.