Question Options:
A. sensory motor
B concrete
C formal
D preoperational
Answer: According to Piaget, Sharon is at the PREOPERATIONAL stage of cognitive development.
Explanation: The preoperational stage of cognitive development refers to the Piagetian phase of child development characterized by sparse and logically inadequate mental operations and inability to reason or work with symbols.
This stage begins around age 2, as children start to talk, and lasts until approximately age 7.