Research Conducted by Darley, Latane, and Their Colleagues on Bystander

Research conducted by Darley, Latane, and their colleagues on bystander intervention has revealed that:

A) people tend to help more when they're in a hurry.
B) people in big cities help more than people in small towns.
C) the more witnesses there are to an emergency, the less likely it is that an individual will decide to help.
D) the more witnesses there are to an emergency, the more likely it is that an individual will decide to help.