胆汁淤滞时升高最显著的生化指标是（）。
A.LDH
B.A／G
C.ALP
D.ALT
E.AST
参考答案：C
If Newton lived today， he would be surprised by what ________ in science and technology. [ ]
A．had discovered
B．had been discovered
C．has discovered
D．has been discovered
发颐
