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.