The main point or central idea that a writer states and then endavadors to prove is called a ?

Read the excerpt from the odyssey.what functions as a symbol in this excerpt? treated as rubbish now, he lay at lastupon a mass of dung before the gates-manure of mules and cows, piled there untilfieldhands could spread it on the king's estate.abandoned there, and half destroyed with flies,old argus lay.a. a muleb. the kingc. odysseusd. argus