Residents of Poor Countries Tend to Have Fewer Automobiles Per

Residents of poor countries tend to have fewer automobiles per capita because

A) lower per capita real gross domestic product (GDP) growth rates allow for less spending on automobiles.
B) residents of poor countries tend to live on farms,where cars are unnecessary.
C) residents of wealthy countries have automobiles provided to them by the government.
D) tax rates are higher in poor countries,which leaves less money to spend on cars.
E) residents of poor countries generally prefer to walk.