Hardly ______ off the bus when ______ an old friend who he hadn’t seen for years. 

A．had he got, did he meet

B．had he got, he met

C．did he get, did he meet

D．he got, he met

病人在全身麻醉后肺通气的改变是（）

A.控制呼吸时两肺相等

B.自主呼吸时下肺好于上肺

C.自主呼吸时两肺相等

D.控制呼吸时下肺好于上肺

E.自主呼吸和控制呼吸时都是上肺好于下肺