Which of the following statements correctly differentiates catching-up growth from cutting-edge growth? A. Cutting-edge growth leads to convergence, while catching-up growth does not. B. Poorer countries with low levels of capital stock will always display catching-up growth, while rich countries will not. C. Catching-up growth comes primarily from capital accumulation, while cutting-edge growth comes from technological development. D. Catching-up growth can go on indefinitely, while cutting-edge growth cannot.