The answer is B.
Tone is described as an overall feeling or attitude of a piece of writing. The feeling of isolation is repeated throughout the excerpt when it starts with the "lonesome hill" and is continued with "I walk in loneliness". Therefore your answer is that the passage has an isolated and sad tone.
I would say hyperbole because of the exaggeration
Roosevelt was pointing out that all that these"muckrakers" as he dubbed them only reported on the bad and none of the good. He said this because as reporters they were focusing more on getting people to read their articles than telling the truth. this led to many factual errors in their writing. kind of like Reeta Skeeter.
They’re using first person and the clues are the words “I” “we”