With reference to operating a four－ram steering gear system under emergency conditions, wh

With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect？

A.Only one pump should be used at any time

B.The ship speed should be reduced to 70% of the normal

C.Watch keeping of the steering gear should be increased

D.Limitations of the steering gear should be logged but the bridge need not be informed

请帮忙给出正确答案和分析，谢谢！