If the coxswain of your lifeboat gives the command HOLD WATER you should().
A:complete the stroke,raise your oar slightly,swinging the oar slightly forward,and place it in the boat
B:lift the oar in a vertical position
C:complete the stroke and hold the oar out of the water
D:dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
出自:海船船员证