When the Prosocial Behaviour of People Low in Socioeconomic Status

When the prosocial behaviour of people low in socioeconomic status (SES) was compared with the prosocial behaviour of those high in SES (Piff et al,2010) ,those low in SES were more prosocial when the situation involved

A) giving a proportion of earned money to one's partner in the study.
B) helping their partner complete his or her task.
C) reporting the percentage of income they believed should be donated to charity.
D) all of the above - those low in SES were more prosocial than those high in SES in all situations studied.
E) none of the above - those low and high in SES were equally likely to behave prosocially.