Sarah Has Just Moved to a New City,where She Works

Sarah has just moved to a new city,where she works the night shift at the local hospital.On her way home from work,she walks through a park having a high crime rate.Sarah reasons that she is safe,because there are always a lot of people around.According to the research conducted by Darley and Latané,Sarah is

A) mistaken;the more people she encounters,the lower the likelihood any one of them would help her in an emergency.
B) correct;there is safety in numbers,and as long as the park is crowded,she's safe.
C) mistaken;the more people she encounters in any given situation,the higher the likelihood one of them will attack her.
D) correct;the more people she encounters,the lower the likelihood that Sarah will even be noticed.