Research into demographic differences in the rates of major depressive disorder, or clinical depression as it is often called, suggests that
A. adults are less likely than children to be diagnosed with the disorder in the United States
B. men are less likely than women to be diagnosed with the disorder in the United States
C. men are more likely than women to be diagnosed with the disorder in the United States
D. there are no age, gender, or racial differences in the prevalence of the disorder in the United States
