【单选题】下列哪位科学家与DNA双螺旋结构的发现无关？ A. 查伽夫（E.chargaff） B. 沃森（Watson） C. 克里克（Crick） D. 卡佩奇 ( Capecchi)

The following are the Nobel Prize laureates in physiology or medicine EXCEPT ______ What does the news item say about Mario Capecchi A: He was born in U. S.A. during the Second World War. B: He received higher education from Harvard University. C: He works at the University of North Carolina. D: He is a very renowned professor in medicine.