Vygotsky Believed That Egocentric or Private Speech Talking Aloud to One's

Vygotsky believed that egocentric or private speech talking aloud to one's self) played an important role in cognitive development by

A) enabling young children to express and understand their emotions.
B) helping organize young children's thinking,as a precursor to self-regulation.
C) scaffolding young children's zone of proximal development.
D) revealing children's idiosyncratic thinking.