A - incorrect as it does have a hero.
B - correct. The fact that it tells a long narrative story, among other things (like that it tells the story of the hero) makes it an epic poem.
C - incorrect as it is one long story
D - incorrect, using words in a poetic manner is not enough to consider writing an epic poem.
I think the answer is D. Elusion is defined as hiding from someone or something. I don't think there is a such thing as hiding from something in literature.
I'm am NOT a professional, simply using prior knowledge!
Can you get a better picture pls