题目

Some 25,000 people were reported ______ in the ever recorded worst earthquake in Iran, which occurred late this month.    A. were killed B. to be killed C. killing D. to have been killed 答案：D 解析: 当不定式所表示的动作先于谓语动词所表示的动作时，不定式用完成时，且kill与逻辑主语people之间是被动关系，故选D

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