In ballasting to survival draft .while in transit， due to extreme wind and wave loads， thrusters or propulsion， if available， should be used to（）

In ballasting to survival draft .while in transit， due to extreme wind and wave loads， thrusters or propulsion， if available， should be used to（）
A.reduce windward mooring tensions
B.maintain vessel heading
C.maximize accelerations
D.increase speed of advance
正确答案：maintain vessel heading