Concept:Eli failed to discipline his sons, who dishonoured God, and he treated their sin too lightly.Explanation:Eli’s sons, Hophni and Phinehas, were priests who committed great sins and dishonoured God.God was angry because Eli knew about their wickedness but did not firmly correct or restrain them.Instead, Eli treated their offence with levity, merely rebuking them mildly rather than taking serious action.Answer:C. Eli's sons dishonoured God and he treated them with levity.