患者，女，37岁，既往体健，突发剧烈头痛之后意识丧失。查体无神经系统阳性定位体征，应进行的最恰当检查为（）

A.头颅CT平扫

B.颈动脉造影

C.动态心电监测

D.头颅CT增强扫描

E.腰椎穿刺

—What do you think of the film So Young directed by Zhao Wei?

—Wonderful. I think it’s _____than the other films about youth in recent years.

A．the best

B．the worst

C．much better

D．much worse