TOEFL Reading: ETS-TOEFL阅读机经 - 71345L2Q63Z964E9L$

Which of the following is NOT one of the reasons given in paragraph 5 for why "Herding is a classic response to heavy predation" A. Herd members can teach one another strategies for avoiding predators. B. Herd members can alert one another to approaching predators. C. Herd members can fight off predators together. D. Being in a herd reduces the chance that any particular individual will be a target.