单项选择题

Questions 177-180 refer to the following job announcement.
Public Health
Pakistan
Position Available: Division of Public Health and Clinical Nutrition.
The University of Karachi at Karachi General Hospital (KGH) is recruiting for an assistant clinical professor of medicine for the Division of Public Health and Clinical Nutrition. The candidate will participate in all teaching, clinical, and basic research activities of the division and serve as chief of the public health clinic at KGH. The individual will be expected to develop independently funded clinical research programs dealing with basic public health issues and/or clinical nutrition. Board certification required. Competitive salary in U.S. dollars, airfare, and full board/lodging included. Professional growth and cultural opportunities abound. Send curriculum vitae, summary of clinical research interests, and three letters of reference to Faroque Khan, MD, 572 St. Kilda Road, Sydney 2000, Australia.
Which of the following is a requirement for employment

A. Pakistani medical license
B. Medical board certification
C. Clinical nutrition training experience
D. Abstracts of published articles