Beyond the immediate deliverance of the Israelites, what is the theological significance of God hardening Pharaoh's heart in the Exodus narrative (Exodus 4-14)?

A It demonstrates God's lack of respect for human free will. B It illustrates God's sovereignty over human rulers and His ultimate control over historical events, even using opposition to achieve His purposes. C It proves that Pharaoh was inherently evil and incapable of repentance. D It implies that God actively prevents people from choosing good.