Answer: "C:
Explanation:
Proof beyond a reasonable doubt is a stage at which the judge is very sure that an offense was actually committed by an accused ,based on solid evidences.
A reasonable doubt level is the stage in prosecution where the prosecutor is not able to establish with facts that an accuse is guilty. So to be declared guilty , the prosecutor should go beyond this stage with enough evidences to proof his case.
The due process ensures that an accuse in not convicted unless this stage is achieved.