We arrived on the platform just as the train was. A. pulling upB. pulling downC. pulling o

问题补充：

We arrived on the platform just as the train was.

A. pulling up

B. pulling down

C. pulling out

D. pulling into

答案：

A. pulling up

B. pulling down

(答案→)C. pulling out

D. pulling into

解析：本题考查动词短语。句意：火车正要出站时，我们到了站台。pullout(车辆)驶出；pullup使停下；

pull into进入;到达；pull down拆毁，拉倒。