I would say the answer is B.
In a story, the setting is the time, place, and geographical location of where it is taking place.
A. Glad that I could help you. Have a great day!!!
X-ray has small amounts of radiation which is bad for you
Since we are discussing sensory details, we are using all of our senses as Poe gives a word picture. Of course the only thing he doesn't do is taste it but he does everything else. He sees it, he hears it hissing, he feels the vibration, he smells its acrid breath.
