继发性肺结核最常见的类型是（）。
A.原发综合征
B.血行播散型肺结核
C.浸润型肺结核
D.慢性纤维空洞型肺结核
E.结核性胸膜炎
参考答案：C
南昆铁路桥隧总长度占线路总长的（）%。
--I just wonder ______ that made Mo Yan so famous a writer.
--Of course his early experiences in his hometown.
A．it was what
B．what he did
C．how he did
D．what it was
