The correct answer is B.
This is an example of foreshadowing. This is when the plot gives you details, so in this case the nightmare, that symbolizes a dreadful event will take place sometime later in the story. Foreshadowing is a technique used to hint at something that will transpire in the story and the foreshadowing nearly always appears at the beginning of the story.
Explanation:
I could not find the excerpt that is missing in your question but I will try to help you with some pieces of information.
For matching those excerpts with the epic characteristic first of all you need to know are those standard characteristics of epic that are mentioned in many epic poems and novels.
- One of the most important things in epic are heroes. They are also historical and legendary part of every story. Epic stories have long setting. Also, one of the characteristics are supernatural forces and heroes such as angels. In many epic poem there is hero who is less stronger that his enemy, but the supernatural force is bringing him the victory against the enemy.
'Memoir' is the correct answer, because in it, the author talks about his own life and personal experiences.