打包银行票款发生短款，金额在300元（含）以上，银行将现金、现金存款凭条和原锁扣经清点人员和业务主管签章确认后暂时封存并电话及时通知地铁相关站点和财务部人员，待该站点（）或以（）确认差错后按实际清点金额入账。

A. one engine ahead and one engine astern，with full rudder
B. one engine ahead and one engine astern，with rudders amidships
C. both engines ahead，with full rudder
D. both engines astern，with full rudder