Upon Which Party Does the Burden of Proof Rest and to What

Multiple Choice

Upon which party does the burden of proof rest and to what degree must it be established in an attempt to establish the voluntariness of a consent search?

A) The prosecution must prove voluntariness by a preponderance of the evidence.
B) The prosecution must prove voluntariness beyond a reasonable doubt.
C) The defendant must prove voluntariness by a preponderance of the evidence.
D) The defendant must prove voluntariness beyond a reasonable doubt.