找考题网-背景图
单项选择题

A.the rudder should be moved through its full extentB.t……

According to the passage, during the tests,()

A.the rudder should be moved through its full extent
B.the rudder should be moved in starboard direction
C.the rudder should be moved with the ship at maximum speed
D.the rudder should be moved with the ship at minimu