Palesa Is Upset Because She Is Convinced That Her Brother

Multiple Choice

Palesa is upset because she is convinced that her brother has a bigger piece of cake than she does. Her dad quickly slices Palesa's piece of cake in two and tells her that she now has "more" cake. If Palesa calms down and is convinced that she does have more cake than her brother, it would suggest that she

A) has not yet mastered object permanence.
B) does not understand the process of assimilation.
C) does not yet understand conservation.
D) is displaying egocentric reasoning.