Which of the Following Describes a Highly Developed Country

Which of the following describes a highly developed country?

A) Countries with low rates of population growth and high per person incomes.
B) Countries with complex industrialized bases such as Mexico and Thailand.
C) Countries with low levels of industrialization, very high rates of population growth, very high infant mortality rates, and very low per person incomes.
D) Countries with abundant unskilled labor but with limited capital for investment.