—Can you hand in your composition tomorrow?

—Sure. ________ it handed in on time, I’ll stay up tonight.   

A．To have got

B．Having got

C．To get

D．Getting

（）的隔离规定由铁路局制定。

A.小运转列车

B.调车

C.摘挂列车

D.小运转列车和调车