Families Exerting an Increasing Pressure on Their Offspring to Make

Families exerting an increasing pressure on their offspring to make commitments,marry,and have children is an example of:

A) casual sex becoming a normative part of the cultural landscape of adolescents and young adults.
B) the cultural expectation that people should "settle down".
C) sexual behavior during a hook-up having a wide variation.
D) men being more comfortable with all sexual behaviors than women.
E) preferring to engage in a sexual relationship with no "emotional strings" attached.