From a Sound Perspective, What Is the Major Achievement of Black

From a sound perspective, what is the major achievement of Black Hawk Down (2001) ?

A) multiple voice-over narration, which offers conflicting accounts of the same event
B) the bold juxtaposition of images with contrasting music
C) the silence used to produce a new rhythm
D) music that is fused with sound effects to create a seamless tapestry
E) incongruous nondiegetic sound for comic relief