【单选题】Spacing in Animals Flight Distance Any observant person has noticed that a wild animal will allow a man or other potential enemy to approach only up to a given distance before it flees. 'Flight distan...
A.
Distance between animals of the same species before fleeing.
B.
Distance between large and small animals before fleeing.
C.
Distance between an animal and its enemy before fleeing.
D.
Distance between certain animal species before fleeing.