They were similar because with olfactory lethargy you have a delay in detecting a new smell because your receptors are overworked from a previously heavy smell, the same thing appear with afterimage, you stare at a color and your cones become lethargy, thus showing an afterimage of another color. they were contrasting because one deals with olfactory bulbs and the other deals with occipital lobes and optic nerves.
The only United States state to call its political subdivisions “parishes” is Louisiana. Louisiana<span> does not have any counties.</span>
If you mean the United States, the answer is non of the above.
If you mean the United States Citizens, the answer is A, B, and C.