Which One of the Adolescents Below Will Be Most Vulnerable

Which one of the adolescents below will be most vulnerable to the potential negative consequences of a break-up?

A) Cory, an adolescent low in rejection sensitivity
B) Nicole, an adolescent who has never experienced a break-up
C) Richard, an adolescent who is a binge drinker and engages in delinquency
D) Michael, an adolescent who initiated the break-up.