答案：A

题目分析：句中不定式to find引导的结果状语，句意：到达公共汽车站台，结果发现车几分钟前刚离开是相当讨厌的。

点评：不定式作结果状语表事先没有预料到的，要放在句子后面。如：

①What have I said to make you angry.

②He searched the room only to find nothing.