When Social Psychologists Define a Group as a Collection of Interdependent

When social psychologists define a group as a collection of interdependent people,they mean that

A) members' needs and goals cause them to influence one another.
B) there is seldom interpersonal conflict in social groups.
C) minimal groups often evolve into social groups.
D) the group members interact with one another.
E) members of groups have relatively little impact on one another.