Research Using the "Trust Game" Conducted by Kosfeld and Colleagues

Research using the "trust game" conducted by Kosfeld and colleagues has manipulated whether participants inhaled oxytocin prior to the experiment.Which of the following best summarizes the results of this research?

A) Oxytocin did not influence trust in this research because participants were interacting only with strangers, not with loved ones.
B) Participants who had inhaled oxytocin were more trusting and gave more money to a stranger than those who had not inhaled oxytocin.
C) Participants who had inhaled oxytocin rated the stranger as more trustworthy than did participants who had not inhaled oxytocin.
D) Participants who had inhaled oxytocin gave less money to the stranger than participants who had not inhaled oxytocin.