The well-known Garub Site, unearthed in 1997, shows that man had made living there as early as 5, 000 years ago.

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问题 The well-known Garub Site, unearthed in 1997, shows that man had made living there as early as 5, 000 years ago.

选项 A、human had lived
B、humans had lived
C、human being lived
D、human beings lived

答案D

解析 表示“人类”时,一般用the human或human being,human being为可数名词,复数为human beings。因只是叙述人类五千年前就在那里生活这一事实,用一般过去时即可,所以答案为D。
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