All of the Following Are Accurate Statements About the Prevalence

All of the following are accurate statements about the prevalence of mood disorders in children and adolescents EXCEPT that

A) bipolar disorder is often misdiagnosed in children.
B) major depressive disorder in adolescents is primarily a female disorder.
C) rates of attempted suicide decrease during adolescence.
D) adolescents with cyclothymic disorder must display the symptoms one year before a diagnosis can be made.