What are the cardinal features of a murmur related to mitral stenosis?
A. Located at the left sternal border, diastolic decrescendo murmur, sometimes associated with an S3 sound
B. Located at the apex, heard during diastole, described as a low-pitched rumble
C. Located at the left sternal border, associated with an S4 sound and decreased pulse pressure
D. Located at the right upper sternal border, holosystolic, may radiate to the right carotid area
E. Located at the apex, heard during systole, causes increased pulse pressure