A. For developing nations, first of all, they will throw off poverty. To throw it off, they have to find a way to develop fairly rapidly

B. To developing nations, first of all, they will throw off poverty. To throw it off, a way has to be found to develop fairly rapidly

C. For developing nations, the first thing is to throw off poverty. To do that, they have to find a way to develop fairly rapidly

D. To developing nations, the first thing is to throw off poverty. To do that, a way has to be found to develop fairly rapidly