Concept:Juvenile delinquency means committing illegal acts by minors (below the legal age). It is usually caused by a disturbed family environment rather than wealth or positive family behavior.Explanation:A broken home or parental conflict creates stress and lack of discipline. This pushes teenagers toward violent or law-breaking behavior. Sympathetic family members, mutual consent working, or a wealthy family do not cause delinquency. They actually reduce the risk. Therefore, among the options, only parental conflict is a direct cause of juvenile delinquency.Answer:A. parental conflict