Which one of the following best expresses the main point made by the author in the passage? A. Medicine is defined as a profession because of the etymology of the word "profession". B. It is a mistake to pay special honor to the knowledge and skills of physicians. C. The work of physicians is under attack only because it is widely misunderstood. D. The correct reason that physicians are professionals is that their work involves public commitment to a high good. E. Physicians have been encouraged to think of themselves as technicians and need to reorient themselves toward ethical concerns.