— How long have you________?

— It is about ten years since we________. [ ]

A. married; married  

B. been married; were married

C. got married; got married  

D. been married; got married

石蜡是什么产品生产过程中的副产品

A．石油

B．煤

C．蜂蜜

D．鱼油

E．稀有金属