(48) Over the next 10—15 years, the stabilization of Country I's population at its current size would require that
(A) infant mortality be reduced to about half the present level
(B) the death rate be reduced drastically
(C) each couple produce fewer children than the number required to replace themselves
(D) about 15 years be added to the life expectancy of each person
(E) couples have an average of only 3 children