男，49岁，车祸致头外伤，昏迷2小时，醒后对伤情记忆不清，呕吐3次。查体：嗜睡，颜面部肿胀明显，鼻腔有血性脑脊液流出，余神经系统检查阴性。提示：头颅CT提示双侧额极脑挫裂伤伴脑内血肿，量约25ml，双侧侧脑室额角轻度受压。

针对此患者，采取下列哪些检查有助于确诊（）

A.3DCT

B.MRI

C.CTA

D.DSA

E.TCD

F.MEG

He asked me      .

A．when she will come back

B．where would she go

C．how she did it

D．what to do it