Final answer:
Macbeth is feeling guilt based on his vision of Banquo's ghost.
Step-by-step explanation:
Based on Macbeth's vision of Banquo's ghost, we can assume that he is feeling guilt. In the play, Macbeth has Banquo killed in order to secure his own power. When Banquo's ghost appears at a banquet, Macbeth is overcome with guilt and fear, as the ghost symbolizes his conscience and the repercussions of his actions. Macbeth's reaction to the ghost suggests his inner turmoil and the remorse he feels for his dark deeds.
Learn more about Macbeth's emotions after seeing Banquo's ghost