In the Context of Collective Efficacy,which of the Following Statements

In the context of collective efficacy,which of the following statements is true?

A) The level of collective efficacy in sports teams is directly proportional to their previous performance.
B) Violence and criminal behavior increases the feeling of collective efficacy in neighborhoods to combat violence.
C) Collective efficacy in families occur where children are raised with strict guidance from parents.
D) Office departments which are high in collective efficacy have been shown to increase on-the-job stress.