为了避免震动，用低速控制钮减低移动舱盖的速度。（）

• A、To avoid shock, reduce the speed of moving hatch cover by inching control.
• B、To avoid shock, reduce the speed of moving hatch cover by control levers.
• C、To avoid shock, reduce the position of moving hatch cover by inching control.
• D、To avoid shock, reduce the course of moving hatch cover by control levers.