三环类抗抑郁药中毒的解救措施不包括（）

A.给予醒脑静

B.口服吐根糖浆催吐

C.毒扁豆碱对抗三环类抗抑郁药物引起的抗胆碱能症状

D.发生心律失常时可用普鲁卡因胺和利多卡因

E.对低血压或癫痫可采取对症处理

The surplus value that results when a particular resource or product is fixed in supply and market price is higher than what is required to bring the resource or product onto the market and sustain its use can be defined as:（）

A. normal profit.

B. economic rent.

C. consumer surplus.