Theorists differ in their conceptualization of relation between language and thought.
While Jean Piaget believes____________ influences__________, Lev Vygotsky suggests that ____________ directs___________.

Correct option is A

Jean Piaget believed that cognition influences language, suggesting that thought processes shape language development. Conversely, Lev Vygotsky suggests that language directs thought, indicating that language development influences cognitive processes.