Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is true?（）.

AYou must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tank

BYou should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat

CThere is danger of heavy cargo sweat if you ventilate

DThere is little danger of any sweat problem