I'll go to the library as soon as I finish what I ________.[ ]

A. was doing  

B. am doing

C. have done  

D. had been doing

经济政策是政府( )的体现，是中央政府为实施规划目标而采取的一系列手段和对策。

A．决策职能

B．调控职能

C．经济职能

D．货币职能