You are transporting dangerous cargo on your vessel．You must inspect this cargo（）.

A.Secure the applicators to preserve the charge in the cylinders
B.Continue with your work as there is nothing you can do to stop the flow of CO₂
C.Retreat to fresh air and ventilate the compartment before returning
D.Make sure all doors and vents are secured

A.It is a sailing maneuver which brings the vessel's head through the wind
B.It connects the boom to the mast and allows the boom to swing freely
C.It is a sailing condition where there is a loss of air flow over the sails
D.None of the above