In the book of Esther, what is the significance of the absence of any explicit mention of God's name, and how might this absence contribute to the book's overall message?

A It suggests that the events in the book occurred outside of God's providential care and control, highlighting the power of human agency. B It implies that the book was originally a secular historical account, later incorporated into the biblical canon despite its lack of religious content. C It emphasizes the idea that God often works through seemingly ordinary events and people, even when His direct intervention is not immediately apparent. D It indicates that the author of Esther was a secret atheist, subtly undermining traditional religious beliefs and promoting a more humanistic worldview.