The above sentence is a sentence which means that Odysseus is mentioned. "If it is God's will. So it must be like in the "c shows the belief of the Greek gods, is the highest. Anyone unable to disobey the command of God.
The above sentence is the sentence that Odysseus said, which means "if it is God's will. So it's like that ". C shows that according to the beliefs of the Greek gods that is the highest.