Which of the Following Statements About Political Progressivism at the Local

Which of the following statements about political progressivism at the local and state levels is most true?

A) Urban reforms strengthened middle-class control and improved efficiency.
B) Big-city mayors, controlled by corrupt political machines, were the main obstacles to progressive reform of municipal government.
C) Municipal reformers sought to replace traditional forms of city government like the commission or city manager.
D) In their quest for efficiency and expert rule, progressives tried to invent alternatives to direct democracy.