Which of the Following Statements Is True About Population Growth

Which of the following statements is true about population growth rates?

A) Overall, the rate of population growth has decreased sharply among high-income nations, and increased modestly among low-income nations.
B) In both developed and less-developed countries, the rate of population growth has decreased sharply among rich and middle-income people, and increased modestly among poor people.
C) In less-developed countries, the rate of population growth has decreased sharply among the wealthy but has increased among middle- and low-income people.
D) In less-developed countries, the rate of population growth has slowed modestly among low-income nations at all income levels.