Which of the following statements are true in the context of social constructivism?

All the statements hold: social constructivism blends teacher-guided and student-centred learning, was given by Vygotsky, and treats learning as collaborative.

It is seen as a blend of teacher guidance and student-centred activity (A), balancing both.

The concept was given by Lev Vygotsky (B), stressing the social origins of knowledge.

Learning is a collaborative process between student and teacher (C), built through interaction.

Knowledge is constructed socially through language and shared activity.

Vygotsky's Zone of Proximal Development and scaffolding underpin this view.