3rd choice
Poetry is condensed and restrictive in the sense that the number of words is limited. This means that every word must mean more than one thing, and it is the poet's job to find just the perfect words -- perfect in sound, meaning, and structure. This concept gives poetry its layers of meaning. Prose is free-er. It does not concern itself much on the way it sounds and the way it looks on the page the way poetry does.
B. He realizes that death is not peaceful.
Answer:
It most likely means a reminder that your past is still there and will not ever be truly gone
If you are looking for a sentence in that paragraph to support the main idea, I think it would be "All it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. The main idea is basically that walking is a good and easy way to begin exercising, and that explains it.
Answer: Savagely fierce, cruel, or violent.
Example: "The wolverine is nature's most ferocious and violent animal."