汉译英：“出口许可证；进口许可证；信用证”，正确的翻译为：( )

A．import licence; export licence; letter of guarantee

B．export licenee; import licence; letter of guarantee

C．import licence; export licence; letter of credit

D．export licence; import licence; letter of credit

男性，65岁，突然呼吸困难，喘息，大汗，咳嗽，肺有哮鸣音及湿性I罗音，心电图示左室肥厚劳损。应首选考虑为

A．支气管哮喘

B．过敏性肺炎

C．心源性哮喘

D．喘息型慢性支气管炎

E．支气管肺癌感染