After the velvet revolution, czechoslovakia began a transition to a a. command economy b. multiethnic nation c. market-based economy d. collective economy

(C) Market based economy

Explanation:

 The Czechoslovakia began transition in the market based economy after velvet revolution. The outcome was the finish of 41 years when the one-party rule in the Czechoslovakia, and the resulting disassembling of the direction economy and transformation in the parliamentary republic.

 The market economy always relies on the different types of goods and the resources. The market based economy always involve for determining the prices of the product the private ownership.

Therefore, Option (C) is correct.