参考答案

正确答案：C
解析：细节题。根据题目顺序定位至第三段。倒数第三句指出：Jonas Frisen stood out from all candidates by far，[C] 符合文意，故为答案。本段倒数第三句提到Frisen的实验研究“stem-cell research”，[B]中的drug research与此矛盾，排除。第三句指出：Frisen went to medical school intending to be a brain surgeon or perhaps a psychiatrist，but ended up spending all his free time in the lab．[D]不符合文意。[A] 文中未提及，排除。