At the Time of Kitty Genovese's Murder, How Did People

At the time of Kitty Genovese's murder, how did people respond to the witnesses who apparently did nothing?

A) Others generally understood why the bystanders did not want to get involved.
B) Others perceived the witnesses as callous and apathetic.
C) Although there was general disappointment, there was also understanding.
D) Given the level of violence in New York at the time, others would have been surprised had bystanders helped.