TOEFL Reading: ETS-TOEFL阅读机经 - ML1LPX4Y458W7M39L$

According to paragraph 1, other archaeologists differ from Tim Kohler in giving which of the following as the reason for the abandonment of settlements by the Anasazi? A. The nature of human interaction with the environment B. A large increase in population over a short period of time C. The way in which people gathered together in villages D. A limited production of corn due to one short growing season after another