How is a free-market economy different from a mixed economy?

A. A free-market economy depends on individuals and businesses, whereas a mixed economy involves the government, too.

B. A free-market economy depends on individuals and family units, whereas a mixed economy involves only the government.

C. A free-market economy depends on a combination of government and businesses, whereas a mixed economy involves individuals, too.

D. A free-market economy depends largely on the government, whereas a mixed economy involves individuals and businesses, too.