Over the Course of Our Evolutionary History,most Environmental Stressors Were

Over the course of our evolutionary history,most environmental stressors were climatic and geographic.Now,however:

A) humans have little environmental stressors,climatic or geographic.
B) nonhuman primates have more stressors than humans.
C) humans face a series of new environmental stressors of their own making.
D) humans also face daily weather stressors.
E) humans have climatic stress,but geographical stress has been removed because of technology.