Which Statement About Schizophrenia Is FALSE

Which statement about schizophrenia is FALSE?

A) Prenatal exposure to certain viruses is associated with the later development of schizophrenia.
B) Exposure to house cats may be a risk factor for the development of schizophrenia.
C) Structural brain abnormalities have been observed in the nonpsychotic siblings of people with schizophrenia.
D) Excessive release of glutamate may contribute to the negative symptoms associated with schizophrenia.