Self-Affirmation Theory Argues That When People Feel Cognitive Dissonance Stemming

Self-affirmation theory argues that when people feel cognitive dissonance stemming from counter-attitudinal behaviour,they will NOT need to change their attitude in which of the following cases?

A) if they can remember self-aspects consistent with the counter-attitudinal behaviour
B) if they can think about other positive aspects of themselves
C) if they do not feel any physiological arousal following the behaviour
D) if the inconsistency can be attributed to some external factor