Development of a country can generally be determined by.

Explanation:

The development of a country's growth is decided by its per capita income, its average level of literacy, and the health facilities for the country's people.

A country's growth has involved the concept that improves people's per capita income and basic living standards like education, food, health, shelter, etc.

The development of a country can generally be determined by per capita income, average literacy level, and the health status of its people.

Final Answer:

Hence, the correct answer is D, all of the above.