The Bystander Effect Refers to the Fact That

The bystander effect refers to the fact that

A) if one bystander helps in an emergency, many others will help, too
B) if one bystander stares up into the sky and points, a passerby will do the same,Even if there is nothing to look at
C) people are less likely to help in an emergency when there are more bystanders
D) even people who are trained in emergency rescue techniques find it difficult to Help in a real emergency situation