David Is 6 Years Old

David is 6 years old. He had a tooth pulled this afternoon. His mother just tucked him into bed promising him that the tooth fairy would be coming for the tooth while he sleeps. David puts pillows under his blanket and moves into the closet so he can see the tooth fairy take his tooth. This is an example of

A) mistrust.
B) initiative.
C) contextual dissonance.
D) parental identification.