C) he values freedom more than being tied down by owning a farm.
Explanation:
Thoreau's tone in this passage makes it very clear that he values freedom more than being tied down by owning a farm. Thoreau talks a big talk about owning a farm, but ultimately he values freedom and disvalues material goods.
In "Where I Lived, and What I Lived For", Thoreau explains that the post-office is completely unnecessary for him. He received such few letters in his life that it isn't worth the postage, and regarding the newspaper, there's no significant information more than negative news for him, so it's useless to consume that kind of service as well.
The president and vice president must be a natural-born citizen of the United States, at least 35 years old, and have been a resident of the United States of America for at least 14 years.