The correct answer is C. Medicine.
Dr. DeBakey was a well known cardiac surgeon. This means that he worked on the heart constantly during his operations. One of his crowning accomplishments was his help in developing the idea of a MASH. MASH (Mobile Army Surgical Hospital) was a medical unit used during World War II that served as a fully functioning hospital in combat areas. This helped soldiers to receive quicker medical attention after suffering injuries.
