Jordan Is 15 Years Old and Has an 18-Year-Old Brother

Jordan is 15 years old and has an 18-year-old brother and a 19-year-old sister,both of whom are sexually active.Given this information,what might you expect about Jordan's sexual activity?

A) If Jordan is a female, she is less likely to become sexually active at an early age.
B) If Jordan is a male, he is more likely to become sexually active at an early age.
C) If Jordan is a male, he is less likely to become sexually active at an early age.
D) Regardless of whether or not Jordan is male or female, he or she is more likely to become sexually active at an earlier age than either of the older siblings.