❓ 문제 According to the passage, which of the following is a reason why some scientists oppose the formal recognition of the Anthropocene?
- A. A. The proposed markers are too evenly distributed across the globe.
- B. B. The start date in the mid-20th century may overlook earlier human impacts.
- C. C. The term has been rejected by humanities scholars for oversimplification.
- D. D. Radioactive isotopes are the only reliable stratigraphic signals.