单选题If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）AMake periodic inspections of bilgesBKeep the barge under constant surveillanceCHave a properly certificated tankerman or at least one licensed officer on board the towing vesselDVerify ullage readings
单选题
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
A
Make periodic inspections of bilges
B
Keep the barge under constant surveillance
C
Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D
Verify ullage readings
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