— Where is Mr. Lee? I have something important to tell him.

— You _____ find him. He _____ Japan. [ ]

A. won't, has gone to

B. may not, has been to

C. may, has gone to

D. can't, has been to

男性患者，45岁，回家时在冰上滑倒，当时昏迷约15分钟，后逐渐清醒恢复正常，步行150m左右回家。大约5小时后家人发现患者坐立不安，语无伦次。半小时后呼120急救，现场查体：昏迷状态，左瞳孔5mm，右侧2mm，右侧肢体无自主运动。

该患者院前急救应重点考虑什么（）.

A.急速送往专科医院

B.平卧搬至救护车上，吸氧、监护病情，保持呼吸通畅

C.紧急头颅CT检查

D.紧急气管插管

E.紧急手术