How can you conveniently adjust the audio level for the sequence voice over clips?

You have winged all the voice over clips in a sequence on a single track.

How can you conveniently adjust the audio level for the sequence voice over clips?
A . In the Audio Clip Mixer, adjust the level for the track containing the voice over clips.
B . In the Audio Track Mixer, adjust the level for the track containing the voice over dips.
C . Select all the clips, and adjust the rubber band for any clip that has been selected.
D . Select all the clips, right-dick any selected dip, and choose Audio > Set Level To.

Answer: A