Which statement about immersion suits is TRUE?

A
Some models will not automatically turn an unconscious person face-up in the water.
B
The immersion suit seals in body heat and provides protection against hypothermia for weeks.
C
The suit is flameproof and provides protection to the wearer while swimming through burning oil.
D
The wearer of the suit is severely restricted in body movement and the suit should be donned just before abandoning ship.
E