DO NOT RETURN TO YOUR CABIN TO COLLECT YOUR PROPERTY. This sentence is properly used when ______.
A.allocating \/ directing crew to assembly stations to escape
B.exercising evacuation and boat drill
C.taking protective measures to control the oil pollutions
D.holding course and sounding signals to avoid collision with other vessels
正确答案：A
不要返回舱室内收集财物这句话是在集合地给逃生人员说的
