A loaded hopper barge with independent tanks has a placard，with alternating red and white quadrants，on each side and end. Which statement concerning this barge is TRUE?（）
- AThe cargo will spontaneously ignite if released to the atmosphere
- BYou must operate this barge as a lead barge
- CThe barge should be spotted as far away from the towboat as possible
- DThe barge must be in a protected position within the tow