Concept:An argument is strong if it directly supports or opposes the statement with a valid reason.Explanation:Argument I says religion builds moral and ethical values. This is a positive reason directly supporting the teaching of religion. Therefore, it is strong.Argument II says teaching religion may harm secular education. In a secular school system, neutrality towards religion is important. This is a valid negative consequence. Therefore, it is also strong.Since both arguments provide relevant reasons, both are strong.Answer:Option D — both arguments I and II are strong.