Ahmed's Original Statement,which Is Inadmissible in Court,can Still Be Used

Multiple Choice

Ahmed's original statement,which is inadmissible in court,can still be used for which of the following purposes?

A) To impeach a defendant's credibility.
B) To obtain collateral derivative evidence.
C) Both to impeach a defendant's credibility and to obtain collateral derivative evidence.
D) Neither to impeach a defendant's credibility nor to obtain collateral derivative evidence.