With regard to race and high school graduation rates, which of the following is correct? a. In 2007, about 95% of blacks aged 25 and older had graduated from high school compared to nearly 100% of whites in the same age range. b. In 2007, about 82% of blacks aged 25 and older had graduated from high school compared to about 86% of whites in the same age range. c. In 2007, about 18% of blacks aged 25 and older had graduated from high school compared to about 86% of whites in the same age range. d. In 2007, about 28% of blacks aged 25 and older had graduated from high school compared to 45% of whites in the same age range.