Which of the Following Statements Is True

Which of the following statements is true?

A) The capitalist economic system based on private ownership and unregulated markets is well suited to stimulate technological progress in all three spheres: natural, human, and economic.
B) The capitalist economic system has solved the problem of the "tragedy of the commons," the idea that individuals tend to abuse collectively owned property.
C) No political-economic paradigm, whether it be capitalism, socialism, or communism, has led to the successful end of humanity's abuse of nature's services.
D) None of the above.