What theological lesson can be derived from the narrative of the bronze serpent in Numbers 21, where the Israelites are healed by looking at it after being bitten by snakes?

A It promotes the worship of idols and physical objects for healing. B It demonstrates that physical objects have inherent magical powers. C It foreshadows the lifting up of Jesus Christ on the cross, offering salvation and healing to those who look to Him in faith. D It proves that God's power is limited to specific geographical locations.