Respuesta :

Answer: A)Norming

Explanation: Norming is the behavioral factor shown by the people in which they take effort to the solve a particular issues and difference for the maintenance of harmony and healthy environment. This is a level of the group development where the main aim is creating bond and improving norms in a group.

Other options are incorrect because performing is doing task to achieve goal,forming is producing of well and polite environment is the level where the members push their boundaries and fail in development of group.Thus the correct option is option(A).