Question ID:PT36 S3 Q13 Passage:While it was once believed that the sort of psychotherapy appropriate for the treatment of neuroses caused by environmental factors is also appropriate for schizophrenia and other psychoses, it is now known that these latter, more serious forms of mental disturbance are best treated by biochemical‚ that is, medicinal‚ means. This is conclusive evidence that psychoses, unlike neuroses, have nothing to do with environmental factors but rather are caused by some sort of purely organic condition, such as abnormal brain chemistry or brain malformations. Stem:The argument is vulnerable to criticism because it ignores the possibility that Correct Answer Choice:AChoice A:the organic conditions that result in psychoses can be caused or exacerbated by environmental factors Choice B:the symptoms of mental disturbance caused by purely organic factors can be alleviated with medicine Choice C:organic illnesses that are nonpsychological in nature may be treatable without using biochemical methods Choice D:the nature of any medical condition can be inferred from the nature of the treatment that cures that condition Choice E:organic factors having little to do with brain chemistry may be at least partially responsible for neuroses