—Minister，are you satisfied with the performance of the Chinese athletes in Athens Olympics？

　　 —Yes， it couldn’t have been ______.

A．worse

B．better

C．so bad

D．the worse

肺癌治疗后预后最不好的是（）

A.小细胞癌

B.大细胞癌

C.鳞癌

D.腺癌

E.细支气管肺泡癌