"But all is changed for mankind when He comes. . . . If He shines, the earth is joyous, every stomach is full of rejoicing, every spine is happy, every jaw-bone crushes (its food)." This ancient Egyptian hymn most likely refers to

a. the return of Osiris from the dead.

b. the passage of a soul into the afterlife.

c. the crowning of a new pharaoh

d. the annual flooding of the Nile.