The third one, roundabout answer.
Answer:
D. Thoreau regrets conforming to the expectations of others.
Explanation:
The figure of speech he is using is irony - he says that he <em>behaved so well </em>even though he considers that behavior to be bad. His neighbors, or rather the people around him, behave a certain way that Thoreau doesn't really approve of. However, in order to conform, or fit in with the rest of the society, he behaved in the same way they did, which made him disgusted and want to repent after having betrayed his ideals.
The Literary device is PATHOS. It is a method of persuasion and convincing the audience with an argument that appeal to the emotions and feelings. In this particular statement, the author attempts to persuade the audience to get involve into the recycling program actively by appealing to their emotions and feelings towards the environment.
I say
C.<span>refuge, inhabited, dog, mule</span>