The answer would be D) all of the above, since the sentences all use a physical thing such as the color black, or water to represent something deeper than it's literal meaning.
You should vaccinate your child because it is actually proven that AUTISM IS NOT CAUSED BY VACCINES and without people will try to use herd immunity. Herd immunity is when people assume they won’t be exposed because everyone else has vaccinated. but according to the CDC, herd immunity only works is 98% are vaccinated.
These lines would best fit an old, philosophical doctor based on his language use. A farmer and uneducated trader and a vagrant wouldn't be able to speak in such a manner probably.
Written or spoken language in its ordinary form, without metrical structure. hope I helped please hit that helped button!