Which event is an example of irony in Macbeth?
A. Macbeth orders the murders of Banquo and his son and then becomes upset when the son survives.
B. Lady Macbeth harasses her husband into killing King Duncan because Macbeth is uncertain about the plan.
C. Macbeth has been crowned king a glorious position but he feels empty and worthless because of his actions.
D. King Duncan's sons are afraid for their lives and flee the country without telling anyone about their plan.