Answer: Escusemawh? Gurl/Boy Bakuhoe is very underrated if you ask me and no one asked me so im just sayin.
Okay so...
Morbid means to be appealed to death,
Retrospection means a look into the past.
We can infer she avoids Morbid Retrospection due to a rough past that could have caused PTSD (Post Traumatic Stress Disorder). Someone could have died in her past that was close to her.
Tone is the author's attitude toward the speech. Since we know that Dr. King was the author and presenter of the speech, this was one of inspiration, seriousness, hope, and encouraging. This is not to be confused with mood. Mood is your feelings from the text. So, while the tone may be one of hope, to say it was 'hopeful' would be a mood (if that is indeed what you are feeling when hearing it.)
Answer:
C. It contains strong and accurate details that oppose the writer’s position