Which of the Following Questions Would a Social Psychologist Be

Which of the following questions would a social psychologist be most likely to study?

A) Are crime rates different among people of higher versus lower socioeconomic status?
B) What risk factors contribute to the onset of schizophrenia?
C) Is there a link between playing violent video games and engaging in aggressive behavior?
D) Do citizens in countries with democratic governments report greater life satisfaction than citizens in countries with autocratic governments?