The FBI's Uniform Crime Report Has Two Methods of "Clearing

The FBI's Uniform Crime Report has two methods of "clearing a crime." They are:

A) the crime is only cleared when a suspect has been found guilty or the victims have dropped charges.
B) the crime can be cleared by arrest or the case may be cleared when it's reported as a "closed case."
C) the crime can be cleared by arrest or the case may be cleared by exceptional means.
D) None of the above