The old man came to the railway station only the train was slowly pulling out of the st

问题补充：

The old man came to the railway station, only the train was slowly pulling out of the station.

A. and ran; found

B. running; finding

C. running; to find

D. to run; finding

答案：

A. and ran; found

B. running; finding

(答案→)C. running; to find

D. to run; finding

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