When in command of a lifeboat under oars，the command TOSS OARS means to（）.<br>A:lift oars to vertical position，trim blades fore and aft with handles resting on the thwarts<br>B:complete the stroke，come to Oars，raise the oars smartly to the vertical，rest handles on footings and trim blades fore and aft<br>C:place oars in row locks directly from the boated position or from Stand by oars position<br>D:complete the stroke (when rowing in ahead motion)，raise the oars with crook of elbow to about 30 degrees，swing blades forward

When in command of a lifeboat under oars，the command TOSS OARS means to（）.
A:lift oars to vertical position，trim blades fore and aft with handles resting on the thwarts
B:complete the stroke，come to Oars，raise the oars smartly to the vertical，rest handles on footings and trim blades fore and aft
C:place oars in row locks directly from the boated position or from Stand by oars position
D:complete the stroke (when rowing in ahead motion)，raise the oars with crook of elbow to about 30 degrees，swing blades forward

出自：海船船员证

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