In Cambodia, the Infant Mortality Rate Is 23 Among the Top

In Cambodia, the infant mortality rate is 23 among the top fifth of income earners, but 77 among the bottom fifth of income earners.Which of the following does this data reflect?

A) Countries with low infant mortality rates are highly stratified.
B) Countries with high infant mortality rates are highly stratified.
C) Countries with low economic stratification experience highly variable health incomes.
D) Countries with high economic stratification experience highly variable health incomes.