55 信用狀規定〝Full set of clean shipped on board Bills of Lading made out to our order...〞，則下列敘述何者正確？ (A)銀行要求記名式提單 (B)受益人需提示 3/3 份提單 (C)提單上須有〝clean〞字樣 (D)〝our〞是指開狀銀行