根据图甲所示的电路图，将图乙中的实物，用笔画线表示导线，将它们连接起来。（导线不能有交叉）（3分）

—  Are you still very busy? 

— Yes, I ______ the report for the manager and it won't take long.

                [      ]  

A. have just finished

B. am just finishing

C. had just finished

D. am just going to finish