According to the Results of the Study Done by John

According to the results of the study done by John Darley and Bibb Latané, if you are robbed at gunpoint while walking home from the grocery store, your best chance of receiving help from witnesses would be when:

A) one person across the street witnesses the crime
B) the robber wears a mask and thinks he is not recognized by the bystanders
C) several people getting off of a bus across the street see what is happening
D) it is broad daylight and the street is very crowded