Only when the war was over _______ return to his hometowns．

A．have the soldiers

B．the soldiers

C．the soldiers did

D．did the soldiers

肺部叩诊时，叩诊音无改变的是（）

A.大叶性肺炎实变

B.中等量的胸腔积液

C.病灶距胸部表面5cm以上，直径小于3cm的病变

D.肺气肿

E.空洞型肺结核