Concept:A teacher's primary role is to nurture every aspect of a child's growth, not just one area.Explanation:Holistic development means caring for the whole child — physical, mental, emotional, social, and moral. This ensures a balanced personality. A teacher who focuses only on physical growth or only on mental skills ignores other crucial parts. The real duty is to bring all these together. By doing so, teachers create students who are not only smart but also kind, healthy, and responsible. This complete growth helps children become good citizens. Therefore, the teacher must aim for the child’s overall development.Answer:C. Holistic development of children