Suppose a Child Watches an Adult Throw a Doll at the Wall,immediately

Suppose a child watches an adult throw a doll at the wall,immediately followed by a harsh scolding by another adult.When left alone with the doll,the child does not play with it aggressively.Before you reach a conclusion that the child has learned that aggressive behaviour leads to a scolding,you think that perhaps the child simply did not learn the aggressive behaviour and thus couldn't demonstrate it.By this,you have demonstrated the need to

A) create unfalsifiable theories.
B) create parsimonious theories.
C) rule out competing explanations.
D) remember that correlation equals causation.