单选题An all-round flashing yellow light may be exhibited by a(n)（）.Avessel laying cableBvessel towing a submerged objectCvessel not under commandDair cushion vessel
单选题
An all-round flashing yellow light may be exhibited by a(n)（）.
A
vessel laying cable
B
vessel towing a submerged object
C
vessel not under command
D
air cushion vessel
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