单选题For GMDSS，which statement concerning a compulsory vessel is FALSE?（）AA conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equippedBOnce a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five yearsCAll passenger vessels and all cargo vessels that are 300 Gross Tons or larger must complyDCompulsory vessels must carry at least two licensed GMDSS Radio Operators
单选题
For GMDSS，which statement concerning a compulsory vessel is FALSE?（）
A
A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equipped
B
Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five years
C
All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must comply
D
Compulsory vessels must carry at least two licensed GMDSS Radio Operators
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