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