My father ______ his report between 7 and 9 last night . I don’t know if he has finished it .[ ]

A. wrote        

B. has written        

C. had written        

D. was writing

股东权益的市场增加值可以等于（）。

A.股东权益的市场价值—股东投资资本

B.股东投资资本不变情况下的股价变动与股数的乘积

C.股东投资资本和债务价值不变情况下的企业价值变动

D.企业市场价值—债务市场价值—股东投资资本