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.
Unclear question. I infered you are referring to the grammatical structure/usage of some expressions in the sentence.
Answer:
It is an Idiomatic expression.
Explanation:
The expression "following the crowds" is idiomatic, meaning It should be understood figuratively.
In a sense, as used in this context it implies there's a price for doing whatever others do pertaining to how long they cook. So one must maintain his own cooking time schedule not following the crowd.
He would find most info on a book telling about who the Vikings were, what they did and where they came from. perhaps a history book dedicated to a Vikings life
