The answer is unsupported claims.
Pseudoscience is not actual science. While science is based in logical reasoning, pseudoscience consists of statements, beliefs, or practices that don't have evidence to support them but they claim to be scientific and factual (some examples: homeopathy, geocentrism, reiki, flat earth theory)
eyes has the most receptor touch
Id say b. you can rule out d because we know for sure the environment can effect u so that's out. same with c because the environment dousen't say oh Ur alurgec to pollen so their will be no pollen when your out. a would be a possible one but it douse not deter man every genetic trait. id go with b.