What is Piaget's preoperational stage and one limitation of thinking in this stage?

What is Piaget's preoperational stage and one limitation of thinking in this stage?

• A. Preoperational stage (approximately 2-7 years) features symbolic thinking, egocentrism, and centration; limitation includes difficulty with conservation and logical operations.
• B. Preoperational stage is defined by formal operations.
• C. Preoperational stage is the same as sensorimotor stage.
• D. Preoperational stage occurs in adolescence.

Answer: (A)