What is the（）of the turning circle in mavoeuvring?

A.Hoist the boat clear of the cradle
B.Release the outboard part of the cradle
C.Rig the tricing lines
D.Crank the crescent out

A.Distance line
B.Gantline
C.Heaving line
D.Tag line

A.The efficiency increases
B.The efficiency decreases
C.The efficiency remains the same
D.The efficiency cannot be determined.