Crime is a 【C3】______ problem with many causes. I Poverty, unemployment, conditions in the cities, and increasing disregard (漠视) for 【C4】______ all play their roles and no single 【C5】______ is going to solve the problem overnight.
But perhaps 【C6】______ one of the causes can be dealt with — the inefficiency of the criminal justice system. 【C7】______ , the police usually are able to solve only a 【C8】______ of the crimes 【C9】______ . And when offenders are apprehended (逮捕，拘押), there is usually a long 【C10】______ in trial and sentencing.
Much police work 【C11】______ information. The computer can make an important 【C12】______ to processing this information effectively and 【C13】______ .
Unfortunately, there is almost 【C14】______ other area in which computers 【C15】______ such fear. The reason is obvious: the police can initiate proceedings (诉讼程序) that can take a person's liberty 【C16】______ . And sometimes with good reason, not everyone is 【C17】______ that those proceedings will be 【C18】______ fairly. Even 【C19】______ , the police keep records that can haunt(萦绕)us the rest of our lives. Even those people who have the most to fear from crime may fear 【C20】______ anything that increases the effectiveness of the police.
【C1】

A. passes on
B. goes by
C. comes by
D. leaves off