The pilot kept calm in the terrible storm, otherwise the accident .A.couldn't be
来源：网络
时间：
推荐文章
The pilot kept calm in the terrible storm, otherwise the accident ________.
A.couldn't be prevented
B.mustn't have prevented
C.wouldn't have been prevented
D.shouldn't prevent
试题答案
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．