A person showing unpredictable moods, outbursts of emotions, quarrelsome behaviour and conflicts with others is suffering from

The correct option is B Borderline personality disorder
Addictive disorder
Addictive disorder may be caused due to substance or alcohol abuse. People suffering from this may withdraw from society. They may get depressed, avoid friendships and give up activities that they usually enjoyed.

Schizophrenia
Schizophrenia is a mental disorder where the person loses touch with reality. They suffer from delusions and hallucinations.

Borderline personality disorder (BPD)
Borderline personality disorder is a mental disorder where the patient has self image problems causing their inability to manage emotions. They have unstable moods and relationships.

Mood disorder
Mood disorder is a mental health problem where the patient experiences long periods of extreme sadness or happiness. Depression and bipolar disorders are studied under mood disorders.

Final answer
c. Borderline personality disorder.