[单选题]

酒精性肝炎的特征性肝酶改变是

A.ALT、AST<500U/L,AST/ALT>2

B.ALT、AST>500U/L,AST/ALT>2

C.ALT、AST<500U/L,AST/ALT<2

D.ALT、AST>500U/L,AST/ALT<2

E.ALT、AST<500U/L,ALT/AST>2

参考答案与解析: