--- I’ve lost the game again.

--- ____! It’s not that bad!

A．Cheer up

B．I’m sorry

C．It doesn’t matter

D．Oh, my goodness

病毒性肝炎患者血清ALT水平升高的原因是()

A．淋巴细胞浸润

B．胆管上皮增生

C．肝细胞增生

D．肝细胞变性坏死

E．Kupffer细胞增生