❓ 题目 According to the passage, what is a primary reason some scientists oppose the formal recognition of the Anthropocene as a geological epoch?
- A. A. They believe human impact began much earlier during the Holocene, making the mid-20th century boundary arbitrary.
- B. B. The term has been too heavily influenced by political and cultural agendas, undermining its scientific validity.
- C. C. There is no clear evidence of global environmental changes caused by human activity.
- D. D. The proposed start date of the mid-20th century is too recent to be considered a geological epoch.