What do the jurors discover about the old man's testimony upon recreating and reenacting the night of the murder?

a) The old man's testimony is consistent with the evidence presented, confirming the accuracy of his account.
b) The jurors find discrepancies in the old man's testimony, casting doubt on the reliability of his recollection of the events.
c) The old man's testimony is irrelevant to the case, as it does not align with the other evidence presented during the trial.
d) Upon reenacting the night of the murder, the jurors conclude that the old man's testimony is the only reliable piece of evidence.