Under the Federal Rules of Evidence, a Prior Consistent Statement

Under the Federal Rules of Evidence, a prior consistent statement:

A) Is admissible to rehabilitate a witness on redirect examination after the witness has been impeached on cross-examination
B) Is admissible only if the prior consistent statement was made under oath or under penalty of perjury
C) Is considered a waste of the court's time and is therefore inadmissible
D) Is irrelevant and serves to confuse the jury and is therefore inadmissible