You _______ finish it now. You can do it tomorrow. [ ]

A. have to

B. don't have to

C. haven't to

D. need

国债期货交易中，成交价格是不包括应付利息的，国债的应付利息在交割时另行计算，此类交易方式称为（）。

A.全价交易

B.现金交易

C.实物交易

D.净价交易