(135～136题共用各选答案)
肝性脑病合并碱毒首选
A．应用谷氨酸钠B．应用精氨酸C．生理盐水灌肠D．口服乳果糖E．应用抗生素
参考答案：B
His father, who is said to be teaching in Australia, ____ in Nanjing University for more than 10 years.
A．has worked
B．had worked
C．worked
D．has been working
