单选题If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.Aclose the static leg filling valveBclose the overflow tank falling valveCreduce the fuel oil pumping rateDstop the fuel oil pumping operation
单选题
If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
A
close the static leg filling valve
B
close the overflow tank falling valve
C
reduce the fuel oil pumping rate
D
stop the fuel oil pumping operation
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