It has been argued that the earliest sociological research reproduced the same problematic social inequalities that were studied. Thus, it can be concluded that the earliest sociologists identified as:

I. male in terms of gender.
II. white in terms of race.
III. working class in terms of socioeconomic class.

A. I and II only
B. I and III only
C. II and III only
D. I, II, and III