During chest auscultation, the nurse hears a quiet murmur immediately upon placing the stethoscope on the client's chest. The nurse interprets this as which grade?

A. II: A grade II murmur is generally faint but still audible with the stethoscope in place. B. III: A grade III murmur is moderately loud and can be heard with the stethoscope without applying extra pressure. C. I: A grade I murmur is very faint and might be heard only with careful listening and with the stethoscope placed carefully. D. X: There is no grade X murmur in the standard grading scale for heart murmurs.