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Which of the following statements regarding the installation of domestic sewage treatment plants is incorrect? ( ) A. The domestic wastewater treatment station in residential areas should be separated from other buildings by green belts. B. The treatment station should be located underground, beneath green spaces, parking lots, and outdoor areas. C. When the domestic wastewater treatment facilities are placed in the basement of a building, they can share a room with the water supply pumps. D. The room in which the domestic wastewater treatment facilities are located must have a good ventilation system; when the treatment facilities are of an open type, the number of air changes per hour should be no less than 15. Answer: C. Options A, B, and D comply with Paragraph 2 of Article 4.8.18, Paragraph 3 of Article 4.8.18, and Article 4.8.19 of the Code for Design of Building Water Supply and Drainage, respectively. Option C does not comply with the provisions of Paragraph 4, Article 4.8.18 of the \"Code for Design of Building Water Supply and Drainage\". When domestic wastewater treatment facilities are located in the basement of a building, they should be placed in dedicated compartments. To ensure safety, the horizontal distance between these facilities and the water supply pump station as well as the clean water tank must be at least 10 meters; therefore, they cannot share the same room as the water supply pump room