According to the Text, Vygotsky's Concept of the Zone of Proximal

According to the text, Vygotsky's concept of the zone of proximal development is defined as

A) the gap between what children and adolescents can accomplish alone and what they are capable of doing if guided by a more competent peer.
B) the tendency to assume that accidents, diseases, and other misfortunes are more likely to happen to others than ourselves.
C) the cognitive process that occurs when a scheme is changed to adapt new information or assimilate prior knowledge.
D) an aspect of short-term memory that refers to where information may be influenced by heuristic thinking.