How I regretted ___the hours in the forest, ___I should have studied hard in the classroom.

A．wasting; when

B．to waste; when

C．wasting; where

D．to waste; where

2岁女孩，身体瘦弱，多次患肺炎。胸部X线示双肺瘀血，左心房、左心室增大，主动脉弓影增宽。应该诊断为（）

A.房间隔缺损

B.室间隔缺损

C.动脉导管未闭

D.法洛四联症

E.艾森曼格综合征