Answer:
Option: A. To show that he disapproved of conformity.
Step-by-step explanation:
A hippie is a youth movement started in the 1960s in America, developed a counterculture with wearing long hair and loosely fitted cloth. They rejected the mainstream religion (Christianity) and followed Buddhism and Taoism to express their individuality. Men wore long hair to show their rebellion against society, rigid gender roles and tradition. Hippies were doing things which were not common in elite society.