How does the story of Mephibosheth, Jonathan's son, in 2 Samuel 9, reflect David's understanding of covenant and loyalty beyond mere political strategy?

A It demonstrates David's fear of potential rivals to his throne, leading him to eliminate all possible claimants. B It showcases David's commitment to honoring his covenant with Jonathan, extending grace and provision to Mephibosheth despite his potential disability and lineage, thus illustrating the enduring nature of covenantal love and faithfulness. C It highlights the importance of physical perfection in leadership, as Mephibosheth's disability would have disqualified him from kingship. D It suggests that David was merely trying to appease the remaining members of Saul's family to prevent rebellion.