In what way are capitalism and a free-market system similar?

AThey both involve strong governmental controls of pricing.
BThey both rely on a planned economy and educational system.
CThey both are characteristic of undeveloped economies.
DThey both involve private ownership and open exchange.

Verified Answer :

The main way in which capitalism and a free-market system are similar is that "They both involve private ownership and open exchange" since government oversight is usually minimal.

a.They both involve strong governmental controls of pricing.