In the book of Esther, what is the significance of the fact that God is never explicitly mentioned, yet His providential hand is evident throughout the narrative?

A It suggests that God's power is limited in foreign lands and He can only work through human agents. B It emphasizes that faith is not about explicitly naming God, but about living righteously and trusting in unseen forces. C It highlights the importance of human agency and the ability of individuals to shape their own destiny independently of divine intervention. D It illustrates God's subtle and often unseen involvement in human affairs, demonstrating His sovereignty even when He appears absent.