Final answer:
Macbeth's soliloquy shows his guilt and remorse.
Step-by-step explanation:
Macbeth's soliloquy can best be summarized as d. Macbeth's guilt and remorse. In this soliloquy, Macbeth reflects on his actions and expresses deep regret and guilt for his involvement with the weird sisters and the consequences that have ensued. He acknowledges the evil deeds he has committed and is haunted by his own guilt.