Which of these would be describing a developed country?

Responses
A literacy rate of 84%literacy rate of 84%
B life expectancy of 58 yearslife expectancy of 58 years
C post-secondary education rate of 10%post-secondary education rate of 10%
D population growth rate of 3.5% per yearpopulation growth rate of 3.5% per year
E infant mortality rate of 3 per 1,000 births

A, literacy rate of 84% and E, infant mortality rate of 3 per 1,000 births, would be describing a developed country.