Throughout his life, Thoreau emphasized the importance of individuality and self-reliance. He practiced civil disobedience in his own life and spent a night in jail for his refusal to pay taxes in protest of the Mexican War. (Thoreau was opposed to the practice of slavery in some of the territories involved.)
I would go with option B. Formally explain something important. It seemed to me that he was trying to get his point across, while still having a respectful attitude. I hope I could help!
