Why Do Theorists Refer to Embarrassment, Shame, and Guilt as "Self-Conscious

Why do theorists refer to embarrassment, shame, and guilt as "self-conscious" emotions?

A) These emotions all involve awareness of implications of external events for the self.
B) These emotions all emphasize making sure the needs of the self are fulfilled.
C) These emotions all require mindful attention to one's internal emotional state.
D) These emotions are all thought to involve appraisals of the self, and how the self appears to others.