单项选择题
A.5 B.10 C.15 D.20 E.25
A.HCG50％增高 B.AFP80％增高 C.HCG及AFP5％～10％增高 D.LDH明显增高 E.尿β2微球蛋白减少
A.>2ng／m] B.>3ng／ml C.>4ng／ml D.>5ng／ml E.>10ng／ml