Where there are multiple accident victims，which type of injury should be the first to receive emergency treatment?（）

A.The valve on an empty portable tank that contained acetone is accidently opened and some of the residue escapes to the open sea
B.A carboy of nitric acid is broken on deck while loading and is flushed overboard with no injuryor damage
C.Part of your deck cargo of five gallon cans of paint is damaged and leaking so you jettison them to eliminate the fire hazard
D.Heavy weather causes damage to packages of a hazardous liquid that is subsequently pumped out at sea through the bilge pumping system

A.Collision with a bridge
B.Injury beyond first aid
C.loss of life
D.All of the above

A.Check the corresponding (left versus right) parts of the body
B.Watch the patient's eyes as you probe parts of the body
C.Look for discoloration of the patient's skin
D.Look for uncontrolled vibration or twitching of parts of the body