单项选择题
A.divisible L/C;sight L/C B.sight L/C;divisible L/C C.divisible L/G;irrevocable L/G D.irrevocable L/G;divisible L/G
A.Genoa B.Hanoi C.Havana D.Kiev
A.letter Of credit;letter Of guarantee;license B.letter Of guarantee;letter Of credit;license C.letter Of guarantee;license;letter Of credit D.license;letter Of credit;letter Of guarantee