How does the story of Ruth, a Moabite woman, challenge the prevailing social and religious norms of the Old Testament regarding inclusion and God's redemptive plan?

A It reinforces the strict separation between Israelites and foreigners. B It demonstrates that only Israelites can be part of God's covenant. C It illustrates God's acceptance of foreigners who embrace the God of Israel, highlighting the universality of God's grace and foreshadowing the inclusion of Gentiles in the New Covenant. D It primarily serves as a romantic love story with little theological significance.