Which of the Following Is a Cross-Cultural Difference in Sexuality

Which of the following is a cross-cultural difference in sexuality?

A) Dutch parents are more likely to permit their adolescent child to spend the night with their partner than U.S. parents
B) Kissing is unpopular in Japan and unknown in some indigenous cultures of Africa and South America
C) In some indigenous cultures of Australia, women will not develop breasts before they experience intercourse
D) All are examples