Which of the Following Is True with Regard to Piaget's

Which of the following is true with regard to Piaget's theory of infant development?

A) Piaget's theory represents a biologically based understanding of cognition in infants and toddlers.
B) Piaget's theory strengthens the view that one's genetic material is the primary determinant of one's cognitive abilities.
C) Piaget's theory posits the view that biology and experience sculpt cognitive development in children.
D) Piaget's theory takes a purely ecological approach to understand cognitive development in infants and children.