Why did progressives want to reform city governments?

AThey believed that major cities were controlled by city bosses who were corrupt; they used force and favors to control the city.

BThey believed that city governments were not cleaning the streets and taking care of city property.

CThey wanted to take over city governments so that they could control the civil service workers without using force and favors.

DThey wanted to remove all government workers from their positions because they were afraid that the workers would continue allowing city bosses to control the government.