病人苏醒期出现高血压其可能原因有（）

A.伤口疼痛

B.病人不能耐受气管导管

C.二氧化碳蓄积

D.急性心梗

E.膀胱内尿潴流

-----Could you tell me ______ to go to Hannan by air?

-----Just a minute, please. Let me have a look.

A．how much does it cost

B．how much did it cost

C．how much it cost

D．how much it costs