The Mean Happiness of a Country Correlates Positively with the Education

Multiple Choice

The mean happiness of a country correlates positively with the education of women in the country.What conclusion,if any,can we draw from this result?​

A) Educated women make a country happier.
B) ​As a country becomes happier, it increases education of its women.
C) ​Wealthier countries tend to be happier, and to educate the women.
D) ​We can draw none of these conclusions.