Refer to the Figures

Refer to the figures.
These graphs show the percentage of respondents, by age and education level, who believe that premarital sex is "always wrong" or "almost always wrong." According to these data, which group of people is likely to have the least permissive attitude about casual sex?

A) Twenty-year-olds attending junior college
B) High school graduates in their late twenties
C) College graduates in their thirties and forties
D) High school dropouts in their seventies
E) Eighty-year-olds with master's degrees