An Epidemiologist Is Preparing a Report on the Rates of Depression

An epidemiologist is preparing a report on the rates of depression among people of different races and ethnic groups in the United States. What is the best title of the presentation?

A) "Ethnicity, but not race, matters in depression rates"
B) "Depression: Rates not affected by race and ethnicity"
C) "Why the symptoms of depression vary with ethnicity and race"
D) "Social support in some racial and ethnic groups makes depression rates"