A project management team has subcontracted work to a service company. Which of the following tools is the best choice to assure that this company will be able to meet the quality requirements of the project

A) Quality audit.
B) Deliverable inspection.
C) Fixed price contract.
D) Service level agreement.

患者术后1小时感伤口痛，2小时下肢活动自如，8小时又出现双下肢麻木并逐渐加重.甚至运动无力。

上述诊断一明确应采取（）

A.手术切开肿块清除

B.加强抗感染治疗

C.给予神经营养药

D.给予扩血管药

E.不用处理，待药物完全代谢