Country X Is Highly Ranked in Terms of Social Well-Being

Country X is highly ranked in terms of social well-being but is much lower ranked in terms of per capita GDP.A possible explanation is

A) Country X has high levels of social cohesion,income security and environmental protection.
B) Country X has high GDP growth but low population growth.
C) Country X has a higher than average rate of real economic growth.
D) Country X has a high level of income inequality.
E) Country X has average performance in terms of non-income-related determinants of well-being.