A – Correct
If police had been unsuccessful at dealing with crimes in the past, then the public would lose their trust and cause them to not report crimes.
B – Wrong
It does not matter whether there is high level of crime or low level of crime. The level of crime should not influence why the public does not report any crime.
C – Wrong
There is no mention of drug related crime in the text.
D – Wrong
There is not mention of crimes against criminals.
E – Wrong
There is not mention of paperwork and bureaucracy in the police force in the text.