The International Oil Pollution Prevention Certificate is valid for a period of （）.<br>A:one year from the date of issue<br>B:two years from the date of issue<br>C:three years from the date of issue<br>D:four years from the date of issue

The International Oil Pollution Prevention Certificate is valid for a period of （）.
A:one year from the date of issue
B:two years from the date of issue
C:three years from the date of issue
D:four years from the date of issue

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