According to the Social Selection Hypothesis, the Rate of Schizophrenia

According to the social selection hypothesis, the rate of schizophrenia is higher in the lower classes in the United States because

A) the stresses of living in poverty trigger schizophrenic symptoms.
B) poor health care and nutrition trigger schizophrenic symptoms.
C) schizophrenics are less able to find or hold good jobs.
D) only poor schizophrenics are labeled as mentally ill.