What is characteristic of negative symptoms in schizophrenia

A)  behavioural deficits such as flattened emotion, apathy, and poverty of speech 
B)  behavioural excesses such as hallucinations, delusions, and bizarre behaviour 
C)  antisocial behaviours such as violence and rage reactions 
D)  dissociative behaviours and the emergence of multiple personalities

Negative Symptoms

Features often found in psychiatric conditions, such as schizophrenia, characterized by the absence or diminution of normal behaviors or emotions, such as blunted affect or social withdrawal.

Schizophrenia

Schizophrenia is a chronic, severe mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self, and behavior.

Behavioural Deficits

A lack or reduction in normal behavior patterns, functioning, or activities, often indicative of psychological conditions or developmental disorders.