单选题 34.  He is the only one of the students who ______ a winner of scholarship for three years.
【正确答案】 D
【答案解析】 首先the only one of the students做主语，句子的谓语用单数：only one of the students做主语，句子的谓语用复数；故排除B、C项；其次是for+一段时间，句子是时态是完成时A项排除。故选择D项。