单选题

An" emergency " however, almost always involves a failure that requires immediate and rapid response, such as a total power plant failure, fire or smoke, or rapid cabin decompression.

A不论怎样的"危机"大多数总是会出现需要马上快速反应的故障，比如全动力故障，着火或烟雾，或者客舱的快速释压。

B可是一个"危急情况"几乎总伴随着故障，需要立即快速反馈，比如一个动力装置故障，着火或烟雾，或快速客舱减压。

C然而，"紧急情况"几乎总是涉及需要立即和快速响应的故障，如整个动力装置失效，火灾或烟雾，或座舱快速失压。

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正确答案：A （备注：此答案有误）

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