3. How many special areas are defined by MARPOL Annex I?
(A) 8
(B) 9
(C) 10
(D) 12
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統計: A(6), B(2), C(8), D(6), E(0) #3930353
統計: A(6), B(2), C(8), D(6), E(0) #3930353