Which of the Following Statements Is Accurate

Which of the following statements is accurate?

A) In rich countries, people typically live into their late seventies, while in poor countries, people typically live only until their fifties or early sixties.
B) In rich countries, almost all citizens can read, while in poor countries, about half the population is illiterate.
C) Poor countries tend to have higher infant mortality rates, higher maternal mortality, and higher rates of child malnutrition than do rich countries.
D) All of the above are correct.