单选题The anchors should be dropped well out from the pier while at a Mediterranean moor to（）.Aeliminate navigational hazards by allowing the chain to lie along the harbor bottomBincrease the anchor's reliability by providing a large catenary in the chainCpermit the ship to maneuver in the stream while weighing anchorsDprevent damage to the stern caused by swinging against the pier in the approach
单选题
The anchors should be dropped well out from the pier while at a Mediterranean moor to（）.
A
eliminate navigational hazards by allowing the chain to lie along the harbor bottom
B
increase the anchor's reliability by providing a large catenary in the chain
C
permit the ship to maneuver in the stream while weighing anchors
D
prevent damage to the stern caused by swinging against the pier in the approach
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