单选题On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.Aone engine ahead and one engine astern，with full rudderBone engine ahead and one engine astern，with rudders amidshipsCboth engines ahead，with full rudderDboth engines astern，with full rudder
单选题
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
A
one engine ahead and one engine astern，with full rudder
B
one engine ahead and one engine astern，with rudders amidships
C
both engines ahead，with full rudder
D
both engines astern，with full rudder
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