我要提问He is the only one of the stufents ___ a winner of scholarship for three years.A is B areC have been D has been 请问这道题的正确答案是哪一个
问题描述：
我要提问He is the only one of the stufents ___ a winner of scholarship for three years.A is B are
C have been D has been 请问这道题的正确答案是哪一个
答
我觉得是D，他应该已经是特指了，所以应该是单数
答
He is the only one of the stufents C___ a winner of scholarship for three years. A is B are
C have been D has been
答
D has been
the only one 表示单数
for three years.表明从过去延续到现在,用完成时