Mary ought to attend school this autumn, but she ______ up early in the morning.

A．isn’t used to get

B．isn’t used for getting

C．used not to get

D．isn’t used to getting

装配式板桥一般通过各种横向联结方式将预制板块连接成整体，以便共同承受各种荷载的作用。常用的联结形式是( )。

A．钢筋联结

B．加劲梁联结

C．横隔梁联结

D．企口混凝土铰联结和钢板联结