Hard work is no     of an excellent school record．You have to adopt a flexible approach to your learning．

A．guarantee

B．connection

C．permission

D．consequence

男性，56岁，肝硬化10年，近2月明显消瘦，肝区隐痛，AFP480ng／L，γ～GT378U／L，患者可能并发（）

A.胆囊炎

B.肝脓肿

C.继发性肝癌

D.肝结核

E.原发性肝癌