Researchers Have Found That with Respect to Reporting Adolescents' Sexual

Researchers have found that with respect to reporting adolescents' sexual activity,

A) if they are assured of confidentiality, it is unlikely that adolescents will give misinformation.
B) males tend to overstate their level of activity.
C) females tend to overstate their level of activity.
D) males and females both tend to understate their level of activity.