If there are a number of survivors in the water after abandoning an OSV and no rescue craft are in sight, they should _____________.

A
tie themselves to the unit to avoid drifting with the current
B
group to form a small circle of survivors to create a warmer pocket of water in the center of the circle
C
send the strongest swimmer to shore for assistance
D
from a raft by lashing their lifjackets together
E