Some brave soldiers were chosen to the order of saving the children in danger.A. get acro

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A. get across
B. put on
C. stand for
(答案→)D. carry out
解析：本题考查动词词组的搭配。get across通过；被人了解；put on穿上；播放；stand for代表；carry out施行；实现；根据句意：一些勇敢的士兵被选中执行拯救危险中的孩子的命令。故选D。