In the book of Esther, what is the likely cultural significance of the detail that Esther revealed her Jewish identity only after a significant period of time as queen?

A It highlights Esther's initial shame and fear of her Jewish heritage in a pagan court. B It emphasizes the importance of strategic timing and calculated risk in a precarious political environment. C It demonstrates Esther's lack of faith in God's protection until Mordecai urged her to act. D It reflects the common practice of concealing one's ethnic background for social advancement in ancient Persia.