--- Have you finished the report?

--- No. I ______ it all this week.

A．will do

B．had done

C．have been doing

D．have done

根据我国城镇基地价的性质及其表现形式，级别基问候语地价属于()。

A.时期指标

B.时点指标

C.平均指标

D.总量指标