❓ 题目 According to the passage, what is a key assumption of optimal foraging theory?
- A. A) Animals always act to maximize their reproductive success in every decision.
- B. B) Animals choose feeding strategies that balance energy gain against risks such as predation.
- C. C) Foraging decisions are primarily influenced by social interactions within a group.
- D. D) The presence of competitors has no effect on an animal's foraging strategy.