The anchors should be dropped well out fro
题型：单项选择题
问题：
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