The pilot kept calm in the terrible storm, otherwise the accident . [ ] A．couldn
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The pilot kept calm in the terrible storm, otherwise the accident ________.
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A．couldn't be prevented
B．mustn't have prevented
C．wouldn't have been prevented
D．shouldn't prevent
试题答案
答案：C
解析：根据句意“幸亏飞行员保持镇静，要不然这场事故是不会避免的”，对过去的推测． |