单选题The two courses of action if the underwater hull of a ship is severely damaged are to plug the openings and to（）.Adewater the compartmentBestablish and maintain flooding boundariesCsecure power to the compartmentDcounter flood to maintain even keel
单选题
The two courses of action if the underwater hull of a ship is severely damaged are to plug the openings and to（）.
A
dewater the compartment
B
establish and maintain flooding boundaries
C
secure power to the compartment
D
counter flood to maintain even keel
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