单项选择题

A.be mechanically operatedB.be temperature controlledC.……

Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space，this space should（）.

A.be mechanically operated
B.be temperature controlled
C.be mechanically ventilated
D.not allow to run its refrigeration or heating equipment

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