Answer:
(A) Children who have been isolated for long periods do not have a firm self-concept
Step-by-step explanation:
George Herbert Mead has developed the theory of social Behaviorism, in which he argued that social interaction plays an important role in developing self-image. Socialization occurs almost the entire life, but most important socialization occurs in childhood. Family, school, peers and mass media are the four most influential agents to socialization.