What kind of translation method is adopted in the following translation?“Human beings have distinguished themselves from other animals, and in doing so ensured their survival, by the ability to observe and understand their environment and then either to adapt to that environment or to control and adapt it to their own needs. ”“人类把自己和其他动物区别开来。与此同时，人类还具有观察和了解周围环境的能力，他们要么适应环境，要么控制环境，或根据自身的需要改造环境。就这样，人类一代代地生存下来。”

A. Negation
B. Division
Combination