If a Witness Will Not Be Available to Testify at Trial

If a witness will not be available to testify at trial, the witness' testimony:

A) Will not be admissible at trial under any circumstances
B) Can be videotaped in advance and used during the trial for impeachment purposes only
C) The witness's testimony can be videotaped in advance, in a manner that allows the opposing party to cross-examine the witness, then used during the trial
D) None of the above