Read the following context and choose the best option to answer the question.
Context: So , I stood up , slammed my hands down on the table and shouted that I was not guilty of any crime and that god as my witness they 'd be struck dead by sentencing an innocent man to death . I do n't think they expected that from me so they then said I was free to go . I beat the Spanish Inquisition . Then Kyrie was taken by the Inquisitors .
Question: Why did the police let the man go free ?
Options: 
A. The man was not guilty as proved in a court of law .
B. The man had a witness that said he was innocent .
C. None of the above choices .
D. The man was very convincing in proclaiming his innocence .


D