In a Forecast Chart Provided by Crystal Ball,a Certainty Level

In a forecast chart provided by Crystal Ball,a certainty level is ________.

A) a probability interval that states the probability of the forecast falling within the specified range of the grabbers
B) the number of trials displayed on the forecast chart
C) the number of trials specified in the Trials Tab contained in the Run Preferences item of the Run group
D) a number that specifies the count of assumptions defined before running the simulation