According to Fundamental Attribution Error, Not Only Do We Have

According to fundamental attribution error, not only do we have a tendency to see others' behavior as arising from their personality, but this tendency sometimes leads us to under- appreciate the role of situational influences. Why?

A) Personality characteristics that influence behavior are often "invisible" to observe.
B) Situations that influence others' behavior are often "invisible" to observers.
C) People tend toward situational inferences explain their own behavior.
D) Because the person and situation often interact.