Which statement BEST illustrates the difference between actor-observer bias and the fundamental…

Which statement BEST illustrates the difference between actor-observer bias and the fundamental attribution error?
a. The fundamental attribution error is contingent on situational demands, whereas actor-observer bias is not.
b. The fundamental attribution error pertains to the behavior of others only, whereas actor-observer bias involves our own behavior and the behavior of others.
c. The fundamental attribution error pertains to external attributions, whereas actor-observer bias involves internal attributions.
d. The fundamental attribution error is contingent on self-handicapping, whereas the actor-observer bias depends on one’s perceived attitudes.