According to 2 Kings 22:14-20, what role did the prophetess Huldah play in the religious reforms during King Josiah's reign?

A She verified the authenticity of the Book of the Law found in the temple and foretold the consequences of Israel's disobedience. B She led the military campaigns against the neighboring nations. C She served as the chief priest in the temple. D She was appointed as the queen to oversee the royal family.