At the turn of the 20th century, a group of reform-minded journalists called_____ made investigations and exposed dark sides of the seeminglyprosperous American society.

At the turn of the 20th century, a group of reform-minded journalists called_____ made investigations and exposed dark sides of the seeminglyprosperous American society.

A.Muckrakers

B.New Radicals

C.Yellow Journalists

D.Free Riders

正确答案是A