In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. An ideal policeman is a myth. You come __________ him only in crime fiction. ____________ elusive is 'good policing', an idea ___________ even the best of criminal justice thinkers have found it difficult to define. This is why, in what is a chaotic world, we have to reluctantly _____________ for an imperfect policeman and ________ inadequate system. ________ inadequate system.