Brian,a Young Man,meets with an Accident and Undergoes a Surgery

Multiple Choice

Brian,a young man,meets with an accident and undergoes a surgery.His neighbors take care of his pet dog while he is hospitalized.Because of his neighbors' generosity,he is not worried about his dog when he is away.According to the social-exchange theory,which of the following social norms is exemplified in this scenario?

A) the social-responsibility norm
B) the social capital
C) a pluralistic ignorance
D) the reciprocity norm