What Factors Are Most Relevant in Comparing Sudan's Age Pyramid

What factors are most relevant in comparing Sudan's age pyramid to Canada's?

A) Despite high fertility rates,Sudan's poverty leads to a higher mortality rate for infants and children.
B) Sudan is at replacement fertility.On average,a child is born for every person who dies.
C) Sudan is poor,but its population is educated.More Sudanese are practicing birth control to maintain healthy population numbers.
D) Sudan is fast approaching lower mortality and fertility rates.It will soon mirror the United States in its age pyramid.