TOEFL Reading: ETS-TOEFL阅读机经 - X19L184BQ2U8ZMT7L$

In paragraph 6, the author identifies all of the following as being problems with the prehistoric overkill hypothesis EXCEPT: A. There were not enough people to kill so many species of large animals. B. There is little evidence to show that extinct animals were hunted. C. Prehistoric Europeans apparently preferred hunting smaller animals. D. It took 600 years for humans in New Zealand to exterminate just a few species of moa birds.