One Reason Why Malthusʹs Predictions of a Population Catastrophe Have

One reason why Malthusʹs predictions of a population catastrophe have not yet come true is

A) developing countries have been able to limit the growth of their populations.
B) a technological revolution that has allowed for much greater food production on the same amount of land.
C) a death rate that remains high in the developing countries.
D) the earth still has much room left for population growth.