The Nurse Is Preparing to Listen to a Client's Mitral

The nurse is preparing to listen to a client's mitral valve. Which landmark on the client's chest should the nurse place the bell of the stethoscope?

A) Left sternal boarder, third intercostal space.
B) Left sternal border, fourth intercostal space.
C) Right sternal boarder, second intercostal space.
D) The apex, fifth intercostal space, left midclavicular line.