Which of the Following Is the Best Example of Normative

Which of the following is the best example of normative influence?

A) a child goes along with his peers in bullying a new student out of fear of being bullied himself
B) a man goes along with the investment choices of his roommates because of the belief that "they can't all be wrong"
C) a woman complies with traditional feminine roles in order to win the favor of her traditional relatives
D) an individual joins a gang to look cool in front of his friends