Which Statement Most Closely Reflects the Viewpoint of Karl Marx

Which statement most closely reflects the viewpoint of Karl Marx?

A) Whoever controls a society's capital controls that society.
B) By pursuing his own interest,a business owner frequently promotes that of the society more effectually than when he really intends to promote it.
C) The capitalist,who has saved for years to buy his machinery and factory is entitled to all the profits he earns.
D) The worker and the capitalist are both exploited by the government.