—Thank you for your help．

—    ．I am so glad that I can share some of your worries．

A．It’s my pleasure

B．Why not

C．With pleasure

D．Forget it

X线出现蚕蚀空洞的是（）

A.原发型肺结核

B.浸润型肺结核

C.结核性胸膜炎

D.血行播散型肺结核

E.慢性纤维空洞型肺结核