In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.

A.underway
B.using gear which extends more than 50 meters outboard
C.using a seine of some type
D.using gear which restricts her maneuverability

A.reduce windward mooring tensions
B.maintain vessel heading
C.maximize accelerations
D.increase speed of advance

A.use more right rudder
B.use more left rudder
C.increase speed
D.decrease speed