12. In the following method of payment, which has the most risk to the seller?( ) A. D/D B. D/A C. D/P at sight D. D/P after sight 13. In liner transport, what is the voucher for the carrier to issue a B/L?() A. booking note B. shipping order C. dock receipt D. mate's receipt 14. GSP Form A is a Certificate of ) A. Inspection B. Origin C. Beneficiary D. Shipment 15.Under CIF contract, payment by L/C, if there is no special conditions in the L/C, the "INSURED" blank of an insurance policy should be filled in with the name of A. importer B. applicant C. exporter D. issuing bank