Which statement best describes the approximate global distribution of coal supplies?
(A) Brazil and South Africa together contain 33% of proven reserves.
(B) The United States contains 40% of proven reserves.
(C) Australia, Japan, and France together contain 45% of proven reserves.
(D) The United States, the former Soviet Union, and China together contain 50% of proven reserves.
(E) Germany, Brazil, and India together contain 75% of proven reserves.