he was the first one in the history of the US to w

问题补充：

he was the first one in the history of the US to win that prizeA.fifty-years B.fifty-year C.fifty years D.fifty year

答案：

B答案he was the first one in the (fifty-year) history of the US to win that prize.

他是美国那50年来第一个获得那个奖项的人

50年的历史,fifty-year history,

或者 fifty years history 就是说C 答案要加个 撇

======以下答案可供参考======

供参考答案1:

他是美国历史上第一个赢得那个奖项的人