Answer:
D. from a market to a mixed
Explanation:
During the Soviet Union era, the government own and control all the resources in that country. This provide no incentives for people to work hard and make people unable to choose their own career. This made soviet union countries became really poor, eventually led to their fall.
After the fall, Russia started to transitioned into a mixed economy. They give opportunities for people to own private properties and opened up private businesses. That being said, they do not fully transformed into a free market. The government still involved in creating regulations that limit the private sector and sill have percentage of ownership over large companies and entitled to some part of their revenue.