---Why didn’t you tell me the truth about his illness?

---___________, I knew nothing about it at that time.

A．Tell you the truth

B．Telling you the truth

C．To be honest

D．Being honest\

下列肝性脑病的治疗措施中，错误的是：（）

A.血氨增高宜用谷氨酸钠

B.肥皂水灌肠

C.限制蛋白质饮食

D.口服新霉素

E.躁动不安时禁用吗啡类药物