At9a.m.onOctober15,2003,________

发布时间：2020-07-27 06:06:16

At 9 a.m. on October 15, 2003, ________ Yang Liwei（杨利伟）flew into space in the manned spaceship. We are all proud of him.A.38-years oldB.38-year oldC.38-year-oldD.38-years-old

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C解析带有连字符的复合形容词中，里面的名词用单数形式。
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