Question ID:PT62 S4 Q13 Passage:Many symptoms of mental illnesses are affected by organic factors such as a deficiency in a compound in the brain. What is surprising, however, is the tremendous variation among different countries in the incidence of these symptoms in people with mental illnesses. This variation establishes that the organic factors that affect symptoms of mental illnesses are not distributed evenly around the globe. Stem:The reasoning above is most vulnerable to criticism on the grounds that it Correct Answer Choice:CChoice A:does not say how many different mental illnesses are being discussed Choice B:neglects the possibility that nutritional factors that contribute to deficiencies in compounds in the brain vary from culture to culture Choice C:fails to consider the possibility that cultural factors significantly affect how mental illnesses manifest themselves in symptoms Choice D:presumes, without providing justification, that any change in brain chemistry manifests itself as a change in mental condition Choice E:presumes, without providing justification, that mental phenomena are only manifestations of physical phenomena