Alison Is Walking Down the Street When She Comes Upon

Multiple Choice

Alison is walking down the street when she comes upon a man who appears to be having a seizure.Approximately 15 other people stop as well and all recognize that this is a real emergency and all are genuinely concerned about the man's health and well-being.However,nobody calls for help because,like Alison,they all assume that someone else has already made a call to the paramedics.In this instance,the lack of help appears to be the product of:

A) only diffusion of responsibility.
B) only social comparison.
C) both diffusion of responsibility and social comparison.
D) neither diffusion of responsibility nor social comparison.