— How did I do on ________ test?

— Well, actually you didn't do very well. I wonder if you had had ________ good review of your lessons. [    ]

A. a; a 

B. the; the

C. a; the  

D. the; a

20岁男性，被刀刺伤，伤口位于胸前剑突下方。到院时已无呼吸且无法测得血压，但心电监视器上却呈现快而窄的QRS波型，140／min，紧急进行气管插管后发现两侧呼吸音正常。下一步处置最适当的是（）

A.立即进行心包膜穿刺术

B.立即给予静脉注射肾上腺素1mg

C.立即行双侧胸部闭式引流

D.立即在急诊室进行开胸手术

E.立即给予高级生命支持（ACLS）急救