TOEFL Reading: ETS-TOEFL阅读机经 - PDFEAZ7GXHBSQ1G6L$

Which of the following can be inferred from paragraph 2 as a reason for saying that under some conditions a solitary life is superior to a more social life? A. Solitary animals can compete more successfully against animals of other species than social animals can. B. Solitary animals can hide from predators more easily than groups of animals can. C. Solitary animals do not need to spend time and energy competing for social status. D. Solitary animals do not need large quantities of food to survive.