A 50-year-old hypertensive man develops very severe, "tearing" chest pain, which migrates from his upper back to mid-back over the period of an hour. Pathologic examination of a specimen removed from the patient during emergency surgery would most likely demonstrate which of the following?
A. Cystic medial degeneration
C. Plasma cells around the vasa vasorum
D. Severe atherosclerosis
E. Wrinkling of the intima