❓ 题目 What is the main reason that the formal recognition of the Anthropocene as a new geological epoch has been controversial, according to the passage?
- A. A) Human impacts are not significant enough to alter geological processes.
- B. B) Scientists disagree on whether human-driven changes leave clear and lasting markers in the rock record.
- C. C) The International Commission on Stratigraphy has rejected all proposals for new epochs.
- D. D) The Anthropocene lacks any identifiable global signals, such as pollution or nuclear fallout.