A project manager is called to an informal meeting with the customer and a problem is raised. This problem has major implications for the project manager's company, but the customer wants to pursue a solution at the meeting. The project manager should （）.

A.tell the customer that he will not address any problems because this is only an information exchange meeting B.tell the customer that the problem is not sufficiently defined to determine the appropriate action

C.collect as much information on the problem without committing his company to a solution

D.give the customer a range of solutions that might be acceptable to his company

患者，男性，45岁。3天前车祸伤及头部，头痛、呕吐逐渐加重。15分钟前用力咳嗽后突然不省人事，查体见患者呈昏迷状态，左侧瞳孔散大，对光反射消失，眼底视盘水肿，右侧肢体瘫痪，呼吸、血压不稳。

禁忌的治疗措施是（）.

A.腰椎穿刺，降低颅内压

B.开颅探查

C.应用激素

D.大剂量20%甘露醇静脉滴注

E.脑室体外引流，减低颅内压