It is predicted that a comet will probably hit the earth in about 10 years and scientists all over

the world are thinking about possible ways to ________it from happening. Which of the following

is not OK?   [ ]

A. protect    

B. stop    

C. keep    

D. prevent

患者，女性，38岁，前8天发热，食欲不振，尿黄6天，眼黄不断加深、恶心、呕吐5天，躁动不安1天，扑翼样震颤（+）。此患者肝组织活检的病理改变应为（）

A.肝细胞普遍水肿、变性及点状坏死

B.肝细胞碎片状坏死

C.大量肝细胞坏死、肝小叶纤维支架遭破坏

D.汇管区严重炎症反应

E.肝细胞严重嗜酸性变