Beyond its literal account of a miraculous rescue, what theological purpose does the story of Shadrach, Meshach, and Abednego in the fiery furnace (Daniel 3) primarily serve?

A To demonstrate the king Nebuchadnezzar's eventual conversion to monotheism. B To illustrate the absolute power and sovereignty of God over earthly rulers and their decrees. C To provide a historical record of Babylonian religious practices. D To emphasize the importance of dietary laws for maintaining religious purity.