It’s ________great surprise to find the poor little girl lives alone in _________

countryside.

A．a; the

B．a; 不填

C．不填; the

D．不填；不填

引起肝性脑病最主要的病因是_________，肝性脑病的诱因_________，__________，_________，_________，_________，_________，_________。