In the book of Esther, what is the significance of Mordecai's refusal to bow down to Haman (Esther 3:1-6) beyond a simple act of defiance?

A It was primarily a political statement against the Persian Empire. B It demonstrated Mordecai's personal animosity towards Haman. C It revealed Mordecai's unwavering commitment to his Jewish faith and a refusal to give worship due only to God, potentially seen as idolatry. D It was a strategic move to incite a rebellion against the king.