Which of the Following Is Not,according to Carl Klockars,an Important

Which of the following is not,according to Carl Klockars,an important consideration in determining whether the good ends of police work justify immoral means in a given scenario?

A) Are there other,non-dirty,means that may be effective but that we may be overlooking?
B) How certain are we that the dirty means will,in fact,bring about the good outcome?
C) In addition to the good consequences that the dirty method will produce,are there likely to be unintended consequences that might cause undesirable harms
D) All of the above ARE important considerations