How does the concept of 'fulfillment' in Matthew's Gospel, particularly his use of Old Testament prophecies, contribute to his portrayal of Jesus as the Messiah?

A It emphasizes Jesus's rejection by the Jewish leaders due to their misinterpretation of the Law. B It serves primarily as a literary device to enhance the narrative's dramatic effect without substantial theological implications. C It demonstrates that Jesus is the promised King whose life and ministry align with God's plan revealed through the prophets, validating His messianic identity. D It primarily aims to prove the superiority of Christianity over Judaism by highlighting inconsistencies in Jewish scriptures.