单项选择题
A.climb onto the bottom
B.swim away from the raft
C.right the raft using the righting strap
D.inflate the righting bag
单项选择题 If the hydrostatic release mechanism for an inflatable liferaft is not periodically serviced and becomes inoperative，it will NOT（）.
单项选择题 If an inflatable liferaft is to be released manually，where should the operating cord be attached before throwing the raft overboard?（）
单项选择题 If an inflatable liferaft is overturned，it may be righted by（）.