Which of the Following Is NOT True of Dual Diagnosis

Which of the following is NOT true of dual diagnosis clients?

A) They appear to experience a different cocaine withdrawal syndrome than other people.
B) Cocaine abusing patients with schizophrenia are at higher risk for the development of a movement disorder known as tardive dyskinesia.
C) They tend to seek out specific drugs, depending on their exact form of mental illness.
D) They use alcohol to self-medicate anxiety.