下列哪项与肝性脑病的发病无密切关系（）。

A.高胆红素血症

B.合并感染

C.低钾血症

D.胃肠道出血

E.便秘

When an organism is completely encapsulated and preserved, it becomes a fossil, therefore turning into evidence of things that once lived.

A．thereby

B．as a result of

C．so

D．in the end