The boss said we had only three days to finish the work.

Don’t worry. We have already ____?  two thirds of it.

A．got down

B．got through

C．given in

D．given away

是商业银行利用自身的结算便利，接受客户的委托代为办理指定款项的收付事宜的业务（）

A.代理业务

B.委托贷款业务

C.代收代付业务

D.代理商业银行业务