阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。
A research by the National Center for Health Statistics is seen as an important confirmation of the “Hispanic mortality paradox(西班牙裔死亡率悖论).”
On average, Hispanics outlive whites by 2.5 years and blacks by 7.7 years. Their life expectancy at birth in 2006 was 80.6 years, compared with 78.1 for whites, 72.9 for blacks and 77.7 years for the total population.
The report shows that the Hispanic population has higher life expectancy at birth and at almost every age despite a socioeconomic status lower than that of whites. “Mortality is very correlated with income, education and health care access,” says Elizabeth Arias, author of the report. “You would expect the Hispanic population would have higher mortality, in line with the black population.”
