单项选择题Which of the following statements about the pattern of world economic growth from the end of WWII to the global financial crisis is incorrect? A、Only two economic bodies — Taiwan, China and South Korea — grew from low-income economies into high-income economies. B、Of the 101 middle-income economies in 1960, only 13 of them had developed into high-income economies by 2008. C、A total of 13 economic bodies realized the miracle of sustained growth of over 7% for more than 25 years. D、The average economic growth of the United States exceeded that of China.