--I am worn out after climbing the mountain, and you?

--Yes, _________. I could hardly rise to my feet.

A．not in the least

B．not a little

C．not a bit

D．not really

开放性气胸典型临床表现是（）

A.伤侧的胸部叩诊呈鼓音

B.纵隔移位

C.呼吸困难、发绀

D.胸部可见吸吮性伤口，随呼吸气体出入伤口嘶嘶声

E.皮下气肿