Of the Following Studies, Which Is the Most Likely to Be

Of the following studies, which is the most likely to be conducted by a social psychologist?

A) An experimenter watches to see whether hungry game players use a more aggressive strategy than players who are not hungry.
B) An interviewer does a case study of a physically disabled veteran.
C) An archival researcher examines records of divorce rates across cultures.
D) A test administrator measures the skills of an adolescent whose class performance has been poor.