If schizophrenia is due to abnormal brain development in early life, how can we account for the fact that behavioral symptoms are not apparent until later in life?

A. Schizophrenia impairs only social behavior, which is more important in adulthood.

B. Other people do not notice the problems until the person is old enough to seek employment.

C. A prime area of damage is the prefrontal cortex, which matures very slowly.

D. Certain behavioral tests are inappropriate for use with children.

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