What Explanation by the Nurse About Piaget's Formal Operations Level

What explanation by the nurse about Piaget's formal operations level of cognitive development is accurate?

A) Up to age 2, children learn by touching, tasting, and feeling. They learn to control body movement.
B) Children from ages 2 to 7 years investigate and explore the environment and look at things from their own point of view.
C) From ages 7 to 11 years, children internalize actions and can perform them in the mind.
D) After age 12, children can think in the abstract including complex problem solving.