---Where _______ my book ? I can't see it anywhere. 

--- I _______ it on this table . But now it's gone .

A were you putting ; have put           B. had you put ; was putting 

C have you put ; put                     D. did you put ; have put 

房间隔缺损第2孔型的血流动力学改变中，下列哪项不正确（）

A.右心房血流量减少

B.右心室血流量增加

C.左心房血流量增加

D.肺动脉血流量增加

E.左心室血流量减少