Which of the following statements are true according to Vygotsky's theory of development?

A. Cognitive development is primarily a social and cultural process.

B. The Zone of Proximal Development (ZPD) represents the range of tasks that a child can perform independently.

C. Language plays a crucial role in cognitive development and forms the basis for thought.

D. Learning precedes development, and social interactions precede cognitive development.

E. Scaffolding is a concept closely related to the support provided by knowledgeable others.

Choose the correct answer from the options given below: