单选题A self-righting survival craft will return to an upright position provided that all personnel().Aare seated with seat belts on and doors shutBare seated with seat belts on and doors openCare to shift to one side to right itDescape from the craft

单选题
A self-righting survival craft will return to an upright position provided that all personnel().
A

are seated with seat belts on and doors shut

B

are seated with seat belts on and doors open

C

are to shift to one side to right it

D

escape from the craft


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