Which of the following confessions is admissible under the provisions of the Code of Criminal Procedure, 1973?

A. Magistrate while recording a confession did not specifically tell the accused that he was a Magistrate

B. Magistrate recorded the confession of the accused but did not get it signed by the accused

C. Investigating officer took the accused from the jail to the Magistrate, set with him while the confession was being made and brought the accused back to the jail

D. The Magistrate recorded the confession of the accused, but forgot to certify that the confession was taken voluntarily

Answer: Option D