What Is the Most Substantial Limitation in Applying Piaget's Theory

Multiple Choice

What is the most substantial limitation in applying Piaget's theory to nonhuman animals?

A) Most of Piaget's stages involve mental representation, which may be unique to humans.
B) Piaget's tasks cannot be performed by animals because their hands are not dexterous enough.
C) Animals are not able to answer the questions necessary for the analysis of Piaget's tasks.
D) Animals generally develop much more quickly than humans do, and do not go through stages.