Eli Grew Up in an Impoverished Neighborhood and Had Friends

Eli grew up in an impoverished neighborhood and had friends who never went to school and ended up in prison. He finished high school while holding down a full-time job at night. He put himself through college while working and caring for his ailing parents. Throughout the challenges, Eli always believed that things would work out for the best. Eli is displaying

A) a self-serving bias.
B) dispositional optimism.
C) a Type A personality.
D) the actor-observer bias.