Which of the Following Explanations for Not Calling 911 Is

Multiple Choice

Which of the following explanations for not calling 911 is an example of diffusion of responsibility?

A) "I was going to stop and make the phone call, but I was already late for the job interview."
B) "I didn't think the guy was really choking on the bite of food."
C) "How was I to know that none of those other people had called the police? I would have called if I really thought no one else did."
D) "I was already in a bad mood. I didn't need the hassle of getting involved."