Which of the Following Adolescents Is MOST at Risk for Engaging

Which of the following adolescents is MOST at risk for engaging in sexual activity?

A) Charlotte,age 14,whose older sister became pregnant at age 16
B) Howie,age 15,who lives with his biological parents in a middle-class neighborhood
C) Juanita,a 16-year-old Latina whose parents monitor her closely
D) Cole,age 17,who is active in three sports and has a close relationship with his parents