--Is John playing computer game?[ ]

A. Yes, he is      

B. No, he is

C. Yes, he does    

D. No, he doesn't

左向右分流的先心病不包括

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．主动脉窦瘤破裂