Concept: David's reverence for God's chosen king prevented him from harming Saul.Explanation:In 1 Samuel 26, David and Abishai secretly enter Saul's camp while Saul sleeps.Abishai urges David to kill Saul, but David refuses.David declares that Saul is the LORD's anointed, so no one may strike him without guilt.Therefore, David spared Saul's life because he recognized Saul as God's appointed king.Answer: D. Recognized Saul as God's anointed