Which of the following statements best describes population growth in sub-Saharan Africa? A. Populations in sub-Saharan Africa are shrinking. B. Populations in sub-Saharan Africa are rising at the global average. C. Populations in sub-Saharan Africa are rising more quickly than the global average. D. Populations in sub-Saharan Africa are staying about the same. Please select the best answer from the choices provided O A ОВ С OD​