With an unconfirmed irrevocable letter of credit, ___________. A: the terms and conditions can be amended or cancelled unilaterally by any party B: only the exporter can amend the credit C: the advising bank transmits details without commitment to the beneficiary D: the issuing bank has the ability to cancel the credit at any time

Select all proposals for WTO governance reform.（ ） A: an adjustment relevant to tariff bindings, which would allow developing countries to increase their tariff rates without limited by scheduled commitments unilaterally when necessary B: the suspension of the application of the WTO’s anti-dumping provisions to developing countries would be reasonable and beneficial to their development C: agreements on development facilitation D: the use of government subsidies for industrial promotion