Before a Sound Recording Is Admitted into Evidence, a Foundation

Before a sound recording is admitted into evidence, a foundation must be established. In establishing that foundation:

A) it must be proved that all portions of the tape are audible.
B) it must be shown that the recording is authentic and correct and that the recording has been preserved in a manner that is shown to the court.
C) all parties to the conversation must have agreed to have the conversation recorded.
D) evidence must show that the recordings have no parts that are inaudible.