Larry Notices That His Son Tate Is Having a Great

Multiple Choice

Larry notices that his son Tate is having a great time playing near the kitchen sink. When Larry asks Tate what he is doing, Tate responds, "It is fun to look at two different-size glasses, imagine water pouring back and forth between them, and knowing that the amount of water stays the same even though the glass shapes differ." Piaget would describe Tate's comments as indicating that he has acquired

A) animism.
B) egocentrism.
C) irreversibility.
D) a mental operation.