单选题Sir Alexander Fleming, an immunologist, whose reputation as the discoverer of penicillin almost rivals that of Jonas Salk, who invented the polio vaccine.ASir Alexander Fleming, an immunologist, whose reputation as the discoverer of penicillinBSir Alexander Fleming, who was an immunologist and whose reputation as the discoverer of penicillinCAn immunologist with a reputation as the discoverer of penicillin, Sir Alexander FlemingDSir Alexander Fleming was an immunologist whose reputation as the discoverer of penicillinEAn immunologist, Sir Alexander Fleming who was the discoverer of penicillin and whose reputation
单选题
Sir Alexander Fleming, an immunologist, whose reputation as the discoverer of penicillin almost rivals that of Jonas Salk, who invented the polio vaccine.
A
Sir Alexander Fleming, an immunologist, whose reputation as the discoverer of penicillin
B
Sir Alexander Fleming, who was an immunologist and whose reputation as the discoverer of penicillin
C
An immunologist with a reputation as the discoverer of penicillin, Sir Alexander Fleming
D
Sir Alexander Fleming was an immunologist whose reputation as the discoverer of penicillin
E
An immunologist, Sir Alexander Fleming who was the discoverer of penicillin and whose reputation
参考解析
解析：
A，B，C，E项都缺乏主动词，且都是句子片段。只有D项通过添加主动动词“was”纠正了这个错误。
A，B，C，E项都缺乏主动词，且都是句子片段。只有D项通过添加主动动词“was”纠正了这个错误。
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