The answer you are looking for is: B. Language, fallacy, biography
I'm not 100% sure.
The third option. Participating in a variety of different sports.
Thoreau's actions reveal that he believes the society to be corrupt. That is why life in the woods is the best possible option for any human being. Reconnecting with nature and abandoning cities.
Which excerpt? I can't explain the inference if I don't have the excerpt to read