—Excuse me, do you know       ?        

—It's over there in front of the park.    [ ]

A. where is the post office    

B. where the post office is    

C. where the post office was

肺在呼吸时，容积的变化与下列哪项无关（）。

A.肺的弹性

B.内部压力分布

C.周围组织的粘滞性

D.大气压