What Contrast Exists Between Studies on African-American Youth from Studies

What contrast exists between studies on African-American youth from studies on Asian-American and European youth?

A) Studies on Asian-American and European youth are typically done with qualitative methods.
B) Studies on African-American youth tend to emphasize relationships with authority figures.
C) Studies on Asian-American and European youth demonstrate how researchers have ignored these groups.
D) Studies on African-American youth often highlight deficits and negative outcomes.