What do you muckrakers do?

muckrackers are basically journalists

Explanation:

They exposed how life was for people living in tenements, how working conditions was for people in factories, and the use of child labor.

A muckraker was any of a group of American writers identified with pre-World War I reform and exposé writing. The muckrakers provided detailed, accurate journalistic accounts of the political and economic corruption and social hardships caused by the power of big business in a rapidly industrializing United States.

I believe the correct answer is A. hope this helped!