Cooperative Learning Is a Technique Described by Vygotsky as Relating

Cooperative learning is a technique described by Vygotsky as relating to which of the following scenarios?

A) A group of children is formed, each taking turns to lead discussions on particular topic areas
B) A group of children is formed with those of both more and those with less accomplished skill and where expert instruction is provided to those less skilled
C) A group of children is expected to perform activities such as questioning, summarizing, clarifying and predicting
D) A group of children will be exposed to the processes that engage them more explicitly in terms of understanding and predicting future content of text. In this way, any members having difficulties with this concept can internalise the skills involved