单选题Repair of vital machinery and services on a ship should be accomplished（）.Aafter control of fire，flooding，and structural repairsBimmediatelyCafter control of fire，but before control of floodingDafter stability is restored
单选题
Repair of vital machinery and services on a ship should be accomplished（）.
A
after control of fire，flooding，and structural repairs
B
immediately
C
after control of fire，but before control of flooding
D
after stability is restored
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