当隧道火灾处于燃烧猛烈阶段，隧道壁温度很高时，应立即用直流水枪射到墙上，以迅速降低温度（）
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Under no circumstances _____ anything that will benefit ourselves but at the same time harm the interests of
A. should we do
B. we should do
C. would do we
D. we would do
He gave the order that nothing _____ until the police arrived.
A. was touched
B. is touched
C. be touched
D. could be touched
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