What is the theological significance of Rizpah's vigil beside the bodies of her sons, who were executed to atone for Saul's sin against the Gibeonites?

A It demonstrates the limited power of kings to control divine judgment. B It serves primarily as a historical account without deeper theological implications. C It highlights the injustice of collective punishment and the enduring love and grief of a mother, prompting David to seek justice and reconciliation. D It demonstrates the importance of following the law of Moses regarding atonement sacrifices.