What are the final two lines for?What do they mean and what purpose do they serve Stopping by woods on a snowy evening by Robert frost

Which of the following is not one of the three major types of conformity? a .pretending in public, and keeping individual beliefs private b. publicly hating a group , but secretly wanting to join them c. truly believing the beliefs of a group publicly and privately d. following a role model because you really admire them i neeedd this asappp