A few minutes earlier, and you would have seen the NBA star. But you ________.[ ]

A．didn't come  

B．don't come

C．haven't come  

D．won't come

鼻部硬性 * * 状瘤来自（）。

A.鼻腔黏膜上皮

B.鼻旁窦黏膜上皮

C.鼻前庭或鼻中隔前部皮肤

D.鼻中隔黏膜上皮

E.鼻咽部黏膜上皮