“I”    the first letter in the word“industry”, there is also_____“u”and    “s”in it.

A．am; an; a

B．am; a; an

C．is; an; a

D．is; a; an

对原发性肝细胞性肝癌诊断和判断预后有意义的是（）

A．APP

B．p53

C．p16

D．CEA

E．CA19-9