--- Do you mind my opening the window? It’s a bit hot.

---- ________, as a matter of fact.

A．Go ahead

B．Yes, my pleasure

C．Yes, I do

D．Come on

初始血尿提示病变部位在（）。

A.肾盂

B.输尿管上段

C.膀胱颈部

D.肾实质

E. * *