我要提问He is the only one of the stufents ___ a winner of scholarship for three years.A is B are
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
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