A Police Officer Is Knocking on Doors in the Neighbourhood

A police officer is knocking on doors in the neighbourhood to obtain information about a recent crime.You open the door and answer the questions because you have confidence in the police force as a whole.In fact,the general public has an overall confidence in the police.This is an example of what model of policing?

A) policing by consent model
B) common law model
C) police legitimacy model
D) justice model