Which of the Following Was NOT One of the Factors

Which of the following was NOT one of the factors that seemed to play a role in explaining why no one helped Kitty Genovese?

A) Each bystander thought that he or she was the only witness to the crime that was occurring.
B) Some of the bystanders interpreted the situation as a lovers' quarrel or a domestic dispute.
C) The crime occurred in one of the largest cities in the world.
D) Some of the bystanders may have felt that it was too dangerous to try to help Kitty Genovese.