Which of the Following Statements Is True of a Bill

Which of the following statements is true of a bill of lading?

A) It is forwarded by a confirming bank to an issuing bank.
B) It requires a buyer to pay a seller for goods prior to shipment.
C) A buyer has to obtain the bill from an issuing bank in order to be paid by a confirming bank.
D) It has to be provided by a buyer in order to request for a shipment of goods.
E) A seller cannot ship his goods unless he has the bill.