题目

—Is this the first time you ________ Harbin? —No. But the first time I ________ here, the city wasn't so beautiful. A . visited; came B . had visited; have come C . have visited; have come D . have visited; came 答案：D甲、乙、丙、丁四人参加一百米决赛．小张认为，冠军不是甲，就是乙．小王坚信冠军绝不是丙．小李则认为，甲、乙都不可能取得冠军．比赛结束后，人们发现这三个人中只有一个人的看法是正确的．请问：谁是一百米决赛的冠军？________．