Read the passage from the ancient Egyptian Book of the Dead. Homage to thee, O my divine father Osiris! I come to embalm thee. Do thou embalm these my members, for I would not perish and come to an end [but would be] even like unto my divine father. . . . Let not my body become worms, but deliver thou me as thou didst deliver thyself. I pray thee, let me not fall into rottenness.

What is the central idea of this passage?

Osiris rules the underworld.
Preserving the body for burial is important.
Ancient Egyptians worshipped many gods.
The embalming process requires attention to detail.