:yikes The symptoms of mental disorders are behavioral,
cognitive, or emotional problems. Some patients with
mental disorders can be effectively treated with
psychotherapy. But it is now known that in some patients
mental disorders result from chemical imbalances
affecting the brain. Thus these patients can be
effectively treated only with medication that will reduce
or correct the imbalance.
The argument depends on assuming which one of the
(A) Treatment by psychotherapy can produce no
effective reduction in or correction of chemical
imbalances that cause mental disorders.
(B) Treatment with medication always shows faster
results for patients with mental disorders than
does treatment with psychotherapy.
(C) Most mental disorders are not the result of
chemical imbalances affecting the brain.
(D) Medication is always more effective in treating
patients with mental disorders than is
(E) Treatment with psychotherapy has no effect on
mental disorders other than a reduction of the
effective reduction in or correction of chemical, then medication is no more effective than psychotherapy.