In reference to accidental oil pollution，the most critical time during bunkering is when （）.<br>A:you first start to receive fuel<br>B:hoses are being blown down<br>C:final topping off is occurring<br>D:hoses are being disconnected

In reference to accidental oil pollution，the most critical time during bunkering is when （）.
A:you first start to receive fuel
B:hoses are being blown down
C:final topping off is occurring
D:hoses are being disconnected

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