Which of the Following Is a Feature of Capitalism

Which of the following is a feature of capitalism?

A) The system works toward improving the lot of the working class at the expense of the super-rich.
B) Private-sector businesses are not free to hire and fire at their discretion.
C) The government owns and operates key enterprises that directly affect public welfare.
D) Private-sector businesses are free to make their own choices regarding what they will produce.