A closed market can be regarded as an example of capitalism within a command economy. Hence, option A holds true.
What is capitalism?
Capitalism is a form of economic governance wherein the major industries and sectors that contribute to the economic growth of a country are privately owned enterprises. There is no government involvement.
A command economy is where there is a command of one single authority over the administration of the entire economy. A closed market exists in such an economy as a form of capitalism.
Hence, option A holds true regarding capitalism.
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