---There are 60 students in my class and 44 of them use weibo very often．---44 That means about _________ of your classmates are weibo users, right?A.halfB.one thirdC.two thirdsD.three quarters
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D解析考查数词的用法。Half“二分之一”；one third “三分之一”；two thirds“三分之二”；three quarters“四分之三”。根据句意“大约四分之三的学生在你们班用微博。”故选D。