From Vygotsky's Perspective,what Important Role Does Inner Speech Play

Multiple Choice

From Vygotsky's perspective,what important role does inner speech play?

A) By giving ourselves a sequence of internal directions,we guide ourselves through complex tasks.
B) By mentally practicing various grammatical structures,we develop more complex language capabilities.
C) By internally speculating about what new words mean,we continue to increase the size of our vocabularies.
D) By talking to ourselves about what we should have done or said in a particular situation,we remember that situation more vividly.