单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）AOnly one pump should be used at any timeBThe ship speed should be reduced to 70% of the normalCWatch keeping of the steering gear should be increasedDLimitations of the steering gear should be logged but the bridge need not be informed
单选题
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
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