22.〝5,000 metric tons, 5% more or less at sellers option〞等同於下列何者?
(A) 5,000 metric tons delivered
(B) about 5,000 metric tons
(C) between 4,500 and 5,500 metric tons
(D) between 4,750 and 5,250 metric tons

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統計： A(0), B(0), C(0), D(1), E(0) #2843310