单选题The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）Adropping lube oil for lubrication, reducing the pollution to the seaBsetting a temporary gravity oil tank and enhanced the position properlyClubricating with the used lube oilDlubricating with the fresh water and navigation in a lower speed
单选题
The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）
A
dropping lube oil for lubrication, reducing the pollution to the sea
B
setting a temporary gravity oil tank and enhanced the position properly
C
lubricating with the used lube oil
D
lubricating with the fresh water and navigation in a lower speed
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