In Edmonton, Alberta, lan is assigned to foot patrol of one neighborhood. The residents know him because he is always seen walking the streets, stopping into local businesses, and generally keeping an eye out for any issues. If residents see something suspicious, they immediately phone lan because they know him and trust that he will take care of it quickly. The program that lan is involved in is an example of what?

A. specific deterrence
B. community policing
C. due process method
D. police-community relationship program​​