—How was the journey?—Tiring! I caught the train at the last second but all the seats I s

网友回答

A. would occupy
B. had occupied
(答案→)C. had been occupied
D. would be occupied
解析：考查时态。句意：—这次旅行怎么样？—太累了。我在最后一刻赶上了火车，但是所有的位置都被坐了，我站了一路。根据句意说明我上火车的时候，位置都已经被坐满了。而我上火车使用了过去时，故本句为过去完成时。故C正确。