In January,Rita Was Beginning to Perform Poorly at Work; She

Multiple Choice

In January,Rita was beginning to perform poorly at work; she was neglecting her appearance,becoming withdrawn,and exhibiting odd behaviors.In June,Rita showed the full‑blown symptoms of schizophrenia.Her behavior in January can be considered part of which phase of the disorder?

A) active
B) residual
C) prodromal
D) undifferentiated