Having arrived at the station, .
A. it was found that the train had left
B. the train had left
C. the train was found left
D. he found that the train had left
网友回答
A. it was found that the train had left
B. the train had left
C. the train was found left
(答案→)D. he found that the train had left
解析： “Having arrived”的逻辑主语是人，这里省略逻辑主语。所以判断主干的主语和其保持一致，故只能选D。