问题: 一道英语选择题
It was for the change of his ___ right before they reached the final of the men’s doubles that they lost the game.
A. collaborator B. opponent C. partner D. rival
解答:
C. partner
双打比赛的搭档用partner.
翻译：正是因为在男子双打决赛前他换了搭档，使他们比赛失利。
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