Answer:
The three parts of the given excerpt from "Dover Beach" by Matthew Arnold that the speaker describe the sorrow and confusion that he wants to escape are:
1. But now I only hear its melancholy, long, withdrawing roar,
2. Hath really neither joy, nor love, nor light
3. And we are here as on a darkling plain
I think the answer to your question would be Ethos because the definition of ethos means the characteristics of the era or culture which could include the speakers experiences.i hope this helps enjoy the rest of your day :)
D In the 4th paragraph there is statements that back up this answer
A, u know that they cannot be fake because fake people cannot give nonfiction stories or be a author of nonfiction