The correct option is C (i), (ii) and (iv)
HDI composes of human development indicator's:
(i) Longevity
(ii) Level of knowledge
(iii) Percapita incomeHDI stands for Human Development Index.
It can be defined as a statistic composite index of human development
indicators, like, life expectancy, education, per capita income, etc.
HDI helps to rank countries.