Which of the Following Can Be Said About the "Storming

Which of the following can be said about the "storming" or conflict phase of group development?

A) Storming should be avoided at all costs, because it only produces negative outcomes.
B) Effective work groups do not engage in storming.
C) It may be important for effective work groups to engage in storming.
D) In most cases storming does not occur in real working groups.