The correct option is A They help to develop habits of cleanliness.
∙ A school can also help in the development of a community or to solve a problem. In order to develop habits of cleanliness among the people, the children of a school become agents of cleanliness.
∙ Backed by the school, they launch cleanliness drives in villages. They prepare posters inorder to create awareness to avoid spitting on the streets and to dispose garbage properly.