单选题The steering oar in a lifeboat is（）.Ashorter than the othersBused for the stroke oarCused by the forward man in the boat to direct the bowDlonger than the others and should be lashed to the stern
单选题
The steering oar in a lifeboat is（）.
A
shorter than the others
B
used for the stroke oar
C
used by the forward man in the boat to direct the bow
D
longer than the others and should be lashed to the stern
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