"Could you babysit your little cousin?"

"_____." [ ]

A. That's no problem

B. Thank you

C. You're welcome

发病率最高的肺癌病理组织分型是（）

A.小细胞癌

B.大细胞癌

C.鳞癌

D.腺癌

E.支气管肺泡癌