He________to bed until ten o'clock last night,because he had so much homework to do.[ ]

A. wouldn't go  

B. hadn't go

C. didn't go

D. wasn't going

专门用来进行期末成本价核算、销售成本调整、结转收入和成本、进行对账结账的核算业务是( )。

A．期末业务处理

B．入库业务处理

C．销售业务处理

D．库存业务处理