When Irving Piliavin and His Colleagues Staged an Emergency-A Staggering,collapsing

Multiple Choice

When Irving Piliavin and his colleagues staged an emergency-a staggering,collapsing man-on 103 subway trips,they found that the victim was promptly offered assistance almost every time,even when he appeared to be drunk rather than disabled.Further research seems to confirm that bystander helpfulness was due to

A) subway passengers' fear of street crime.
B) the sophistication and experience of the observers in offering first aid.
C) the fact that the situation was unambiguous.
D) the fact that subway riders were not in very large groups.