Answer:
B). Members are interdependent.
D). Members work toward a common goal.
Explanation:
A group is defined as a set or collection of persons who are primarily working together to accomplish a common goal with their(group members) combined efforts.
As per the question, the characteristics of a group are displayed through options B and D as they exemplify the feature and function of a group. 'Members of a group are interdependent' as their efforts are interconnected with each other and so does the outcome. 'Members work toward a common goal' as the chief aim of functioning together is to accomplish the desired goal more effectively with every member's conscious efforts. Thus, options B and D are correct answers.