The correct option is C Human
Natural environment consists of natural components of the environment such as land, water, air, etc. The man-made environment is created by human beings themselves, with the non-living things around him, to fulfil his needs. E.g. Buildings, roads, parks, etc. The human environment comprises of the individual, and the interactions of a man as an individual with his family, occupation, and society. E.g. Education, politics, etc.