—When did you          ?          

—I've          for two months.           [ ]

A. be married, been married          

B. get married, been married          

C. get married, got married

某燃煤企业建在工业区，用有风点源扩散模式进行计算时，需对扩散参数提级的稳定度类别是（）。

A.A类

B.B类

C.C类

D.D类

E.E类