Suppose You Conduct a Survey of 9th- and 12th-Grade Boys

Suppose you conduct a survey of 9th- and 12th-grade boys and girls. If the students in your survey respond in the same way as did students in 2009, you would expect that, in comparison to girls, boys in 9th grade reported ______ levels of sexual activity and boys in 12^th grade reported _____ levels of sexual activity.

A) higher; lower
B) higher; higher
C) lower; higher
D) about the same; higher