According to Japanese Creation Myths, How Did Japan Come to Be

According to Japanese creation myths, how did Japan come to be?

A) Via a battle between the warring gods Izanami and Amaterasu
B) Through the marriage of the god Izanagi and the goddess Izanami
C) When the goddess Ameratsu breathed life into the islands that form Japan
D) When the deities sent two sister goddesses to preside over the land and sea
E) Through a great flood, similar to the stories of Noah and Gilgamesh