患者男性，48岁。因"车祸致颅脑外伤1小时"入院。体检：呼吸急促，深昏迷，有口鼻出血，左侧瞳孔4mm，右侧瞳孔5mm，对光反射迟钝，SaO₂80%。头颅CT：广泛脑挫裂伤、颅底骨折，该患者抢救期间人工气道的最佳选择是（）

A.经口气管插管

B.经鼻气管插管

C.直接行气管切开

D.口咽通气道

E.鼻咽通气道

Lucy had few close friends. So she didn’t know ________ about the trouble.

A．who to talk

B．who to talk to

C．who to say

D．what to talk