Which statement describes self-harm?

A) Boys are more likely than girls to engage in it.
B) It is relatively uncommon among adolescents in Western countries.
C) Adolescents who engage in it are usually in touch with underlying emotions.
D) Ethnicity and socioeconomic status play little role in who does it.

Self-harm is a complex behavior that is not significantly influenced by ethnicity or socioeconomic status, indicating that individuals from various backgrounds can engage in self-harm. The other statements are incorrect: girls are more likely than boys to engage in self-harm, it is relatively common among adolescents in Western countries, and adolescents who engage in it often struggle with understanding or coping with their underlying emotions.