Ruth Was a Teenager During the 1970s

Ruth was a teenager during the 1970s.Maggie was a teenager in the first decade of the twenty-first century.Which of the following statements is true,according to the text?

A) It is slightly more likely that Ruth engaged in sex as a teenager.
B) It is significantly more likely that Ruth engaged in sex as a teenager.
C) It is slightly more likely that Maggie engaged in sex as a teenager.
D) It is significantly more likely that Maggie engaged in sex as a teenager.
E) Both girls were equally as likely to have engaged in sex as teenagers.