A group that exists mainly to meet control needs, by solving all sorts of problems are referred to as a secondary group or task group. Thus, Option C is the correct statement.
A Secondary Group is a proper organization whose relationship is associated with the final completion of a particular task. These styles of organizations commonly aren't emotionally connected.
That is, they do now no longer have a vested hobby in the emotional balance of others.
Thus, Option C is the correct statement.
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