Test analysis: It is the government's function to test the mass line and constantly improve the public service system. The subject is not * * *, so a is excluded. The main content of the problem is to think for the people, be pragmatic and honest, and proceed from top to bottom in accordance with the general requirements of "looking in the mirror, dressing appropriately and taking a bath to treat diseases". Therefore, C conforms to the meaning of the question, while BD does not conform to the mass line and belongs to the face project.