Who Would Be Most Likely to Receive a Diagnosis of the Residual

Who would be most likely to receive a diagnosis of the residual subtype of schizophrenia?

A) Alonzo, who has suffered from several episodes of avolition and formal thought disorder, but now experiences only auditory hallucinations
B) Barnard, who has suffered two acute episodes of schizophrenia which involved delusions and hallucinations, but now experiences only flat affect
C) Cyrus, who has suffered from alogia and affective flattening for years, but now experiences only formal thought disorder
D) Dudley, who has suffered from at least one episode of acute positive symptoms of schizophrenia, but now experiences only visual hallucinations and loosening of associations