Which of the Following Statements Most Closely Describes the Variation

Which of the following statements most closely describes the variation in unemployment rates across countries in Europe?

A) Countries with higher rates of unionization tend to have higher unemployment rates, but this is partially mitigated if wage negotiations are coordinated among employers.
B) Countries with higher rates of unionization tend to have higher unemployment rates, and this tendency is exacerbated if wage negotiations are coordinated among employers.
C) Countries with more generous employment-insurance benefits tend to have higher unemployment rates, but this is partially mitigated if the benefits are offered for a longer period of time.
D) Countries with more generous employment insurance tend to have lower unemployment rates, but this effect is completely offset if benefits are offered for a longer period of time.