❓ 题目 According to the passage, what is the main reason some geologists prefer to classify the Anthropocene as an 'event' rather than an 'epoch'?
- A. A) Human impacts are not yet visible in the stratigraphic record.
- B. B) The term 'Anthropocene' lacks formal approval from international bodies.
- C. C) The human-induced changes are too recent and may not endure over geological timescales.
- D. D) The markers, such as microplastics, are too sparse to be considered significant.