How does a command economy differ from a mixed market economy?

How does a command economy differ from a mixed market economy?

A.In a command economy, citizens have fewer property rights. In a mixed market economy, citizens have more property rights.
B.In a command economy, citizens have more property rights. In a mixed market economy, citizens have fewer property rights.
C.In a command economy, citizens own all public property. In a mixed market economy, the government owns all public property.
D.In a command economy, citizens own all private property. In a mixed market economy, the government owns all private property.