Which of the Following Is NOT True of Lev Vygotsky

Which of the following is NOT true of Lev Vygotsky?

A) The views of Lev Vygotsky have provided valuable insights regarding ways for parents to guide their children.
B) Lev Vygotsky developed a theory of children as passive participants in the learning process.
C) A primary contribution of Vygotsky's theory is that it addresses the issue of the role of context in child socialization.
D) Vygotsky was particularly interested in understanding the cognitive competencies that developed among the culturally diverse people of the previous Soviet Union.