Someone with schizophrenia who suffers from both hallucinations and delusions is displaying symptoms.

Positive

Explanation:

Someone with schizophrenia who suffers from both hallucinations and delusions is displaying positive symptoms.

The Symptoms displayed by someone with schizophrenia also include disorganized speech and behavior.

A Schizophrenia is known as a disorder which leads to difficulties in a person's ability to feel,think and also include disorganized behavior.

The cause of Schizophrenia isn't known yet but genetics, environment may also have an impact in the cause.

i think it should be c