You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true? （）
- AThe cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space
- BStowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo
- CThe cylinders must have a red label for flammability and a green label for compressed gas
- DThe cylinders may be protected from the radiant heat of the Sun by laying a tarp on them