单选题The water pockets located on the underside of inflatable liferafts（）.Astow rainwater; these 4 spaces do not take up valuable spaceBact as stabilizers by filling with sea water as soon as the raft is inflated and uprightChold the freshwater required by regulation to be provided in the raft when packedDNone of the above
单选题
The water pockets located on the underside of inflatable liferafts（）.
A
stow rainwater; these 4 spaces do not take up valuable space
B
act as stabilizers by filling with sea water as soon as the raft is inflated and upright
C
hold the freshwater required by regulation to be provided in the raft when packed
D
None of the above
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