If someone falls down outside of the subway during a less busy time, they will often be helped up to their feet by at least one person. If someone falls down outside of the subway during rush hour, ____________________________; this difference in outcome most clearly reflects the influence of _______________________

A) ?they are less likely to receive help; conformity on helping behavior
B) ?they are more likely to receive help; compliance on helping behavior
C) ?they are less likely to receive help; presence of others on helping behavior
D) ?they are more likely to receive help; presence of others on helping behavior

A