Which Scenario Does the Nurse Identify as Exemplifying the Transition

Which scenario does the nurse identify as exemplifying the transition to concrete operational thought as explained by Piaget?

A) A child becoming more secure about the limits of acceptable behavior.
B) A child becoming interested in politics, environmental issues, and social justice.
C) A child no longer believing that an adult dressed in a mouse suit is a giant mouse.
D) A child becoming upset when a babysitter arrives as this means the parents are leaving for the evening.