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______ experiment took as long as five months and turned out ______ great success.


  1. A.
    The; /
  2. B.
    /; a
  3. C.
    The; a
  4. D.
    The; the
C
句意:此實驗持續達5個月之久,結果成功了。experiment為單數名詞,無論在句中表泛指還是表特指,都需與冠詞連用,不能與零冠詞連用,故排除B項;在本句中,success--person or thing that succeeds成功者;達到目的的人或事物,為可數名詞,且在本句中表泛指,故與不定冠詞連用。如:①He wasn't a success as a teacher.他不是個好教師。②Of her plays, three were successes and one was a failure.她的劇作有三部成功,一部失敗。
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B
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