单选题Before coming here, ask the engine room for power and water on deck.（）A来这儿之前，叫机舱给甲板送电和水。B离开这儿之前，叫机舱给甲板送电和水。C来这儿之前，叫机舱备车。D来这儿之前，叫机舱给驾驶台送电和水。
单选题
Before coming here, ask the engine room for power and water on deck.（）
A
来这儿之前，叫机舱给甲板送电和水。
B
离开这儿之前，叫机舱给甲板送电和水。
C
来这儿之前，叫机舱备车。
D
来这儿之前，叫机舱给驾驶台送电和水。
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