In contrast to other psychoanalytic theorists who focused almost exclusively on parent-child relationships, argued that friends are also important in shaping the development of children and adolescents.

The answer is Henry Stack Sullivan (1953). In difference to other psychoanalytic theorists who focused almost exclusively on parent-child relationships, Sullivan contended that friends are significant in influencing the development of children and adolescents. In addition, the developmental changes in self-disclosing conversations of Sullivan upsurge melodramatically with associates whereas decreasing in a similarly melodramatic fashion with parents.

Iwould say the answer would be b