In One of Piaget's Classic Experiments,a Child Was Shown a Three-Dimensional

In one of Piaget's classic experiments,a child was shown a three-dimensional scene featuring different sizes and colours of mountains.The child was able choose a drawing that best represented the mountain scene as she saw it,but was unable to choose a drawing that reflected how someone else might see the mountain from a different perspective.The child's inability to take another's perspective indicates

A) inability to think symbolically.
B) breakdown of social referencing.
C) egocentrism.
D) failure to conserve.