A higher HDI score generally indicates:

The correct answer is: c) A higher quality of life.

The Human Development Index (HDI) is a composite statistic of life expectancy, education, and per capita income indicators, which are used to rank countries into four tiers of human development. A higher HDI score generally indicates a higher quality of life.

Option a) is incorrect because a higher HDI score indicates a higher life expectancy.

Option b) is incorrect because a higher HDI score indicates more educational opportunities.

Option d) is incorrect because a higher HDI score indicates lower levels of poverty.