He     __    go to bed late.But now he   __    going to bed early and  getting up early.            [ ]

A. was used to, used to            

B. used to, is used to            

C. is used to,  use to              

D. use to,  was used to

委托代付业务下，如客户申请提前还款，代付行确认后方可办理提前还款手续，由此产生的（）等由客户承担。

A.手续费

B.利息

C.违约金

D.电文费