______ to his research work, the professor cared little about any other things.A

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问题 ______ to his research work, the professor cared little about any other things.

选项 A、Devoting
B、Devoted
C、Having devoted
D、To devote

答案 B

解析此题是动词的过去分词在句子中作状语，表示原因。可以把它理解为省略的状语从句，即：As the professor was devoted to his research work…根据题意选B。

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