The local health organization is reported ______ twenty-five years ago when Dr. Audon became its first president.

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问题 The local health organization is reported ______ twenty-five years ago when Dr. Audon became its first president.

选项 A、to be set up
B、being set up
C、to have been set up
D、having been set up

答案C

解析 非谓语动词。be reported后面要使用动词不定式;同时该不定式表示的动作发生在主句谓语动词前,故使用完成式。
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