❓ 题目 According to the passage, which of the following is a reason that critics reject the 'Early Anthropocene' hypothesis?
- A. Early human activities did not produce any greenhouse gases.
- B. The changes associated with early human impact were not globally synchronized.
- C. There is no evidence of deforestation before the industrial era.
- D. The 'Great Acceleration' had no measurable effect on stratigraphy.