Which of the Following Statements Is True

Which of the following statements is true?

A) Both Piaget and Vygotsky focused on the child as an autonomous individual.
B) Piaget, but not Vygotsky, believed that cognitive development must be considered within broader sociocultural influences.
C) Vygotsky, but not Piaget, believed that cognitive development must be considered within broader sociocultural influences.
D) Both Piaget and Vygotsky believed that cognitive development must be considered within broader sociocultural influences.