In ________ old society many young women died by so strange and cruel ________ custom.

A．不填；a

B．不填；the

C．the；a

D．an；a

下列可出现爆米花样钙化的是（）

A.肺癌

B.结核球

C.矽肺

D.胸膜间皮瘤

E.错构瘤