❓ 题目 According to the passage, which of the following is a primary reason why some scientists oppose formalizing the Anthropocene as a geological epoch?
- A. A) The proposed markers, such as microplastics, are not found in all parts of the world.
- B. B) Human impacts are not yet as significant as natural geological processes.
- C. C) The term mixes geological and historical timescales, and may obscure unequal responsibilities.
- D. D) The mid-20th century boundary is too recent to be reliably detected in rock layers.