Answer: is a guide to the afterlife for the souls of the dead
Step-by-step explanation:
The Book of the Dead, is typically an ancient Egyptian collection which consist of spells that can be seen in mortuary and is believed to protect the dead in the hereafter.
The Book of the Dead simply helped Egyptians prepare for the afterlife where they'll be judged by Osiris, who is considered a to be the god of the underworld.
Therefore, the correct option is C(3).