Which of the Statements Most Accurately Describes the Functions of the Audio

Which of the statements most accurately describes the functions of the audio console?

A) select, amplify, mix, and control the volume of incoming microphone signals only
B) amply, mix, and control the volume of mics but not select the incoming sound signals
C) synthesize various sounds and sound combinations
D) select, amplify, mix, and control the volume of all incoming sound signals
E) select and mix all incoming audio and video signals