Beyond the immediate miracle, what is a primary theological significance of Jesus' healing of the Gerasene demoniac (Mark 5:1-20)?

A It primarily demonstrates Jesus' power over physical ailments, emphasizing personal well-being. B It highlights Jesus' authority over unclean spirits, fulfilling Old Testament prophecies of exorcism. C It symbolizes the liberation of the Jewish people from the 'unclean' influence and oppressive power of the Roman Empire, challenging the established social order and religious purity laws. D It emphasizes the importance of evangelism to Gentile communities, signifying a shift away from solely Jewish ministry.