40 POINTS!! PLEASE ANSWER A.S.A.P!

Which choice BEST represents the sound waves from a soft low-pitched train rumble that suddenly shifts to a loud, high-pitched squeal of brakes?

A)

B)

C)

D)

40 POINTS PLEASE ANSWER ASAP Which choice BEST represents the sound waves from a soft lowpitched train rumble that suddenly shifts to a loud highpitched squeal class=