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" ' "
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" ' "