A Chinese exporter received one set of irrevocable L/C from abroad with the China branch of a foreign bank as the advising bank and confirming bank. After the shipment, at the time that the exporter was to present the shipment documents to the bank for negotiation, exporter was suddenly notified by the foreign bank that the bank would not accept the negotiation of the documents and make payment since the issuing bank has declared bank corruption,but the foreign bank agreed to make collection against the buyer with the nomination of the exporter.What are the following analysis correct?（ ）。
选项：

A:The exporter shall make shipment as stipulated and make document presentation to the foreign bank for the payment;
B:In accordance with UCP600, the confirming bank and the issuing bank are both taken as first payers with responsibility of making payment to the beneficiary.;
C:The confirming bank is required to make negotiation and payment so long as the beneficiary makes presentation to the confirming bank with the documnents complying with the L/C;
D:To avoiding risk ,the exporter shall stop to delivery