. -- You agreed to go ,so why aren't you getting ready?

-- But I ________ that you ________ me to start at once.

A．don't realize ;want

B．don't realize ;wanted

C．haven't realized ;want

D．didn't realize; wanted

患者男性，45岁。因“3天前头部外伤，当时无意识障碍，2小时后出现头痛，抬高头位时加剧，伴恶心、呕吐，平卧后可减轻”来诊。查体无阳性体征，颅脑CT未见异常。

下列治疗正确的是（）

A.20％甘露醇250ml，每12小时静脉滴注1次

B.镇静

C.平卧位

D.脑室穿刺引流

E.头高足低位

F.增加液体摄入量