I ______ the novel by the time you ______ back next week.

A．have finished, will come

B．shall have finished, come

C．shall be finished, are going to come

D．finish, come

公共选择学派分别从()的特征等方面，提出了理解政府支出规模的新视角。

A.选民

B.政治家

C.官僚行为

D.民主制度

E.政府机关的效率