What was the reason King Asa removed his grandmother Maacah from her position as queen mother according to 1 Kings 15:13?

A She supported the worship of Asherah, which was against the worship of Yahweh. B She tried to overthrow King Asa and seize the throne for herself. C She conspired with neighboring kingdoms against Judah. D She failed to produce an heir for the Davidic line.