In the Parable of the Unjust Steward (Luke 16:1-13), what specific action did the steward take to secure his future after learning of his impending dismissal?

A He embezzled even more funds to secure a comfortable exile. B He appealed to the king, claiming his manager was lying. C He reduced the debts of his master's debtors to gain their favor. D He confessed his sins publicly and sought forgiveness.