Which of the Following Best Describes Decision Making

Which of the following best describes decision making?

A) It is an action taken by a team member that supports the emotional life of the group.
B) It is an action taken by a team member that directly contributes to the group's performance purpose.
C) It is a stage of total integration in which team members are able to deal in creative ways.
D) It is the process of making choices among alternative possible courses of action.
E) It is the way team members work together to accomplish tasks.