Concept:A mate receipt is a temporary shipping document. It is issued after cargo is loaded and is later exchanged for a bill of lading.Explanation:When goods are loaded on a ship, the ship's officer (the mate) issues a mate receipt to the shipper.This receipt confirms that the cargo is onboard and shows its condition at the time of loading.To get a bill of lading, the shipper must present the mate receipt to the shipping company.The bill of lading is then issued in exchange for the mate receipt.So the correct document that can be exchanged for a bill of lading is the mate receipt.Answer:B. mate receipt