Are Humans Instinctively Violent? It Would Be Most Accurate to Say

Are humans instinctively violent? It would be most accurate to say that ____.

A) humans are naturally more or less nonviolent, and that society encourages violence
B) humans are naturally somewhat violent, but that society can significantly change and shape aggressive patterns
C) humans are naturally violent, and that society can ultimately have only a limited impact on levels of aggression
D) human aggression varies enormously across time and location-with some societies showing no violence at all and others showing large amounts of violence-and is therefore likely to be purely a product of culture