the city center, we saw a stone statue of about 10 meters in height.

A．Approaching

B．Approached

C．To approach

D．To be approached

听诊在胸骨左缘第2～3肋间有Ⅱ～Ⅳ级收缩期杂音，P2亢进和固定分裂，无震颤，可能的诊断是

A.房间隔缺损

B.动脉导管未闭

C.室间隔缺损

D.法洛四联症

E.肺动脉狭窄