Because they are either ignorent and do not understand what they are doing or they do not see theirs lives as wonderful, they are trying to escape something that is going on that they do not want to deal with
Answer: their diets moved from nuts and berries to include meat. so the answer is A:)
Explanation:
Basically it comes down to what your most likely to do. the literary definition is; the inclination toward a particular character or behaviour.