The Nurse Is Listening to Bowel Sounds

The nurse is listening to bowel sounds.Which of these statements is true of bowel sounds? Bowel sounds:

A) Are usually loud, high-pitched, rushing, and tinkling sounds.
B) Are usually high-pitched, gurgling, and irregular sounds.
C) Sound like two pieces of leather being rubbed together.
D) Originate from the movement of air and fluid through the large intestine.