The Muckrakers Signified Much About the Nature of the Progressive

The muckrakers signified much about the nature of the progressive reform movement because they

A) believed that only an organized movement could fight social wrongs.
B) thrived on creating publicity rather than bringing about social change.
C) believed that the cure for the ills of American democracy lay in a government of experts.
D) sought not to overthrow capitalism but to cleanse it with public knowledge and democratic controls.
E) refused to look beyond middle-class concerns.