To Auscultate for S3 or S4 Gallops in the Mitral

To auscultate for S3 or S4 gallops in the mitral area,the nurse listens with the

A) diaphragm of the stethoscope with the patient lying flat.
B) bell of the stethoscope with the patient in the left lateral position.
C) diaphragm of the stethoscope with the patient in a supine position.
D) bell of the stethoscope with the patient sitting and leaning forward.