Which of the following best defines the word model as it is used in the last paragraph of the selection

A．a social group has characteristics that differ from those of its individual members
B．social groups are made up of three major component parts acting together
C．each social group is a unique entity that is unlike any other social group
D．social groups are extremely difficult to break apart once they have been formed

A．outline the steps Durkheim followed in conducting his research study
B．describe the ways in which Durkheim' s work has influenced sociology
C．persuade the reader that social groups control most of the behaviors of their individual members
D．explain the differences between sociology and psychology