_______ the secret of nature, the young scientist has little time for entertainment.
A．Devoted to bring outB．Devoted himself to bringing out
C．Devoted to bringing outD．Devoting to bring out
C

試題分析：考查分詞做狀語和詞組：句意：致力于揭示自然的秘密，年輕的科學家沒有時間娛樂�！爸铝τ凇笨梢允莃e devoted to doing，或devote oneself to doing，所以要么用Devoted to bringing out要么用Devoting himself to bringing out，選C。
點評：當分詞做狀語的時候，如果構成分詞的動詞與句子的主語構成主動關系，就使用現(xiàn)在分詞做狀語；當二者構成被動關系，使用過去分詞做狀語。如果分詞的動作發(fā)生在謂語動詞之前，就使用分詞的完成式。
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