Which of the following, if true, most seriously undermines the editorial's conclusion? A. The salaries of professors at the university are increasing more slowly than the salaries of people with comparable levels of training and experience employed by corporations. B. The business school of the university, where most of the professors who were educated outside Torellia teach, must pay high salaries to its faculty to compete with salaries available to them from corporations. C. The benefits other than salary offered to the university's professors are about the same for professors educated in Torellia as for those not educated in Torellia. D. The university has an explicit policy setting broad salary ranges for professors at all levels of experience. E. Most of the professors at the university who were educated outside Torellia are native-born citizens of Torellia.