We learn that the authors team members hadA．much practical experience.B．adequate knowledge
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We learn that the authors team members had
A．much practical experience.
B．adequate knowledge.
C．long been working there.
D．some professional deficiency.
请帮忙给出正确答案和分析，谢谢！
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正确答案：D
推理题。根据题干定位至第二段。该段第二句“Manyattendingswereresearcherswhodidn"thavemuchrecenthospitalexperience．”指出主治医生实践经验方面的欠缺。该段最后一句又提到“TheseguyswerejustasgreenasIwas，butinascarierway：theyhadrecentlygraduatedfromthemedicalschool，sotheyweretechnicallyMDs．”说明名义上已经取得医生头衔的住院实习医生，实际上名不符实，也存在知识上的欠缺。可见[D]是对原文意思的正确理解，故为答案。