What is the process for packing credit?
选项：

A:In order to complete the production, stocking and loading, the exporter submits the original L/C to the bank as proof, and after the bank has reviewed it correctly, the loan provided to the exporter 60-80% of the amount of the L/
C:;
B:The importer makes loans to the exporter at 60-80% of the amount of the L/C in order to receive the goods.;
C:The importer applies to the bank for a loan with a bill of lading as collateral in order to receive the goods.;
D:In order to complete the export of foreign exchange, the bank provides loans to exporters at 60-80% of the amount of the th L/
C: