题目

She might have been in time for the train, but she _______late. 　　A. started 　　　B. has started 　　　 C. was to start 　　　D. had started 答案：A 解析: 她本来或许会来得及赶上火车，但是她出发晚了。本句but以前是虚拟语气，而but后面的句子表示的是真实的事实；从might have been判断谈论的是过去的事情，所以要用过去时A。

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