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.)
C. Laura is ready to do chores when she eats and sleeps well
C. These lines talk about life's unpredictability and urge people to enjoy their youth
He is worried, nervous and anxious to be put in jail again. He expresses that his heart is beating strongly in his chest. Nor has he had the courage to tell what really happened.
