Could you please tell me _____? I want to buy some books. [ ]

A. where is the bookshop

B. where the bookshop is

C. how can I get to the cinema

D. how I can get to the cinema

关于继发性肺结核不正确的是（）

A.多为内源性，偶为外源性

B.多位于肺局部，如肺尖、锁骨下区及下叶背段

C.可见薄壁、张力性、干酪厚壁、纤维性等不同类型的空洞

D.可见结核球或干酪性肺炎

E.常有肺门淋巴结肿大