An Extrajudicial Confession by the Defendant May Be Used for Impeachment

An extrajudicial confession by the defendant may be used for impeachment purposes:

A) even if the confession was obtained in violation of the free and voluntary rule.
B) even if the defendant does not take the stand.
C) although the confession was obtained without administering the Miranda warnings, if the confession was free and voluntary.
D) only if the defendant agrees in writing to use the confession for this purpose.