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单选题
A RED FLASHING LIGHT ON THE PASSENGER DOOR INDICATES THAT:
A
There is a fault， in the slide inflation system.
B
The emergency evacuation system is in "ARMED" position and the door control handle starts tomove.
C
There is residual cabin pressure.
答案解析
正确答案：C
解析：
题目解析
答案: C
解析: 选项C指出，“A RED FLASHING LIGHT ON THE PASSENGER DOOR INDICATES THAT there is residual cabin pressure”（乘客门上的红色闪光灯指示机舱内仍有残余气压）。在飞机上，乘客门上的红色闪光灯通常用于指示机舱内是否存在残余气压，这有助于地面人员识别是否可以安全开启门。选项A和B提到的故障和紧急疏散系统的状态不太可能与红色闪光灯的指示相匹配。
