[求助]LSAT-9-1-1

Of all of the surgeons practicing at the city hospital, the chief surgeon has the worst record in terms of the percentage of the patients who die either during or immediately following an operation performed by him. Paradoxically, the hospital's administrators claim that he is the best surgeon currently working in the hospital.

Which one of the following, if true, goes farthest toward showing that the administrators' claim and the statistic cited might both be correct?

A. Since the hospital administrators appoint the chief surgeon, the administrators are strongly motivated to depict the chief surgeon they have chosen as a wise choice.

B. IIn appointing the current chief surgeon, the hospital administrators followed the practice, well established at the city hospital, of promoting one of the surgeions already on staff.

C. Some of the younger surgeons on the city hospital's staff received part of their training for the current chief surgeon.

D. At the city hospital those operations that inherently entail the greatest risk to the life of the patient are generally prformed by the chief surgeon.

E. The current chief surgeon has a better record of patients' surviving surgery than did his immediate predecessor.

这道题是问最无关的选项吧。C好象没什么关系。为什么选d。请帮忙解释一下。