Which of the Following Supports a Biological Basis for Schizophrenia

Which of the following supports a biological basis for schizophrenia?

A) You are not more likely to develop schizophrenia if you were mistakenly adopted at birth into a schizophrenic household.
B) Schizophrenia symptoms are alleviated by dopamine receptor blocking drugs.
C) Drugs that stimulate dopamine receptors induce schizophrenia symptoms.
D) Brain abnormalities in schizophrenic people have been found by imaging studies.
E) All of these answers are correct.