Which of the Following Is True of the Impact of Psychosocial

Which of the following is true of the impact of psychosocial factors such as stress and certain types of family functioning on schizophrenia?

A) Psychosocial factors can trigger episodes of schizophrenia even in persons without an existing predisposition to the disorder
B) Psychosocial factors can cause schizophrenia only if chronic life stress and poor family functioning are both present at the same time
C) Psychosocial factors will not affect the severity of schizophrenic symptoms if the person is on a proper dosage of medication
D) Psychosocial factors can cause a relapse in those who already have the schizophrenia