The soldiers planned to the bridge but had to give up because a storm .A. blow up, blew a

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A. blow up, blew away
B. blow down, blew up
(答案→)C. blow up, blew up
D. blow down, blew away
解析：词组辨析：blow up, (使)爆炸;炸掉,毁掉,炸毁;破坏，爆发，blew away吹走， blow down吹倒，句意是：士兵决定炸掉大桥，但放弃了，因为暴风雨大作。选C。