In the Gospel of Luke, what is the theological significance of the parable of the Persistent Widow (Luke 18:1-8) in relation to the coming of the Kingdom of God?

A It emphasizes the importance of social justice and advocating for the marginalized. B It illustrates that God will always answer prayers immediately and according to our desires. C It highlights the necessity of unwavering faith and persistent prayer, demonstrating that God will ultimately bring justice to His elect when He returns. D It teaches that earthly authorities are ultimately more reliable than divine intervention.