How does the Parable of the Friend at Midnight (Luke 11:5-8) refine the understanding of prayer beyond simple persistence?

A It emphasizes the importance of praying loudly to attract God's attention. B It highlights the need to offer something of value in exchange for divine favor. C It illustrates that boldness and unwavering trust in God's character are essential in prayer. D It suggests that prayer should only be reserved for urgent needs and emergencies.