问题详情

In the last paragraph, "what goes around is likely to come around" means that
A．animal predators who go away will come back to prey on humans.
B．different species will be connected in a multidimensional food web.
C．humans" carnivorous eating habit will change back to be herbivorous.
D．the damages humans do to the planet will bring troubles to humans.请帮忙给出正确答案和分析，谢谢！