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. :/
Answer:
It mirrors or reflects objects or a scene back. It simply throws up a reflection of whatever happens to be situated just in front of it. ... The mirror is impartial in what is reflected back. It is only when meaning is assigned to what is reflected back, that we begin to find out who is the fairest of us all.
I think it’s C. it’s definitely not A. good luck
