The Emergence of Monotheism Among the Israelites

The emergence of monotheism among the Israelites:

A) was universally encouraged by the priestly elite,who hoped to expand their power by developing a single ethnic community worshipping a single deity.
B) was rejected by the prophets,who broke off to form splinter groups.
C) unified a people who had long rejected all outside cultural influences.
D) came after a period of henotheism,in which one god has power and ascendancy over other spirits and deities that still exist.