which event is an example of irony in Macbeth
A. Macbeth sees a bloody dagger on his way to kill the king and believes it's a sign
B. Macbeth vows to find king Duncan's murderer when in fact Macbeth himself has killed the king
C. lady Macbeth tells her husband that he has ruined the party after Macbeth sees banquos ghost
D. Macbeth tries to have Banquo and his son myrdered so that they will not take his throne