Myra's Parents Belong to the Mehinaku Tribe of the Amazon

Myra's parents belong to the Mehinaku tribe of the Amazon rain forest.Though the family is settled in the sub-urbans,the parents still value their tribe's culture.When they see Myra kissing a boy,they disapprove of it and ground her.Which of the following is a likely explanation for their behavior?

A) Myra's parents are extremely conservative and do not want her involved in any sexual relationship till she gets married.
B) The Mehinaku tribe's culture dictates that kissing is a disgusting sexual abnormality and therefore no one indulges in it.
C) The Mehinaku tribe emphasizes homosexual relationships during adolescence and heterosexual relationships during adulthood.
D) Myra's father believes that women of his tribe should abstain from any form of sexual activities.