Concept:Juvenile delinquency refers to illegal acts committed by minors, often caused by negative family or social environments rather than innate behavior.
Explanation:Parental conflict or a broken home creates emotional stress and lack of guidance for a child.
Teens exposed to constant arguments, separation, or neglect are more likely to engage in unlawful behavior.
Other factors like criminal parents, unequal treatment among siblings, and lack of moral training also contribute.
Sympathetic family behavior, mutual consent work, or wealthy background are not typical causes of delinquency.
Thus, among the given options, parental conflict is the most direct cause.
Answer:A. parental conflict