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Which of the following statements best describes anthropologist Paul Martin's views on Pleistocene extinction as explained in paragraph 3? A. It is a coincidence that so many large mammals became extinct shortly after humans first arrived in the Western Hemisphere. B. Overhunting was primarily responsible for the extinction of large mammals after the arrival of humans in the Western Hemisphere. C. The massive extinction of large animal species was due to the severe climate changes at the end of the Pleistocene epoch. D. The extinction of large mammals was caused by the extinction of small rodents that large animals hunted for food.