Answer:
the aswer is A and E<em> </em><u>i think</u>
Explanation:
It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
I believe your answer is A. the murderer of the Cretan King's Son.
When Athena comes to him dressed up as a shepherd, Odysseus tries to conceal his identity from her until she tells him her identity. He says he killed Orsilochus, Son of Idomeneus.
Question 1: Beowulf
Question 2: Grendel