Answer:
In "Civil Disobedience," Thoreau explains that he is put in jail because he is against war and slavery. Thus, he feels at peace because he is taking action for the principles that he believes in. Besides, he thinks that slaves must face worse things than him, even when he is in jail. As a result, he expects that his actions will inspire others to fight for their beliefs.
Personally, the option I would choose is D. exonerated: out of, to complete the analogy. My reasoning would be that when you are carried by emotions, you are elated, the same way that when you are exonerated, you are deposed, or out of a certain service.
However, the answer that I found people saying is correct all over the Internet is C. coherent : to place, so, I don't know whom you should believe, sorry. :/
