Speaker A: Can I help you Speaker B:______

A．Sorry, I don't need your help.

B．What help can you give us

C．Thanks. It's very kind of you to offer us help.

D．I'd like to try on these shoes, please.

女性，45岁。车祸头部受伤，伤后即昏迷，1小时后入院时中度昏迷，右侧瞳孔散大，光反射消失，左上下肢病理征阳性。

采取检查为（）

A.X线颅片

B.脑电图

C.脑血管造影

D.CT

E.ECT