In America, most people always ______ after a meal in a restaurant while some of us don't care

about others' service much.      [ ]

A. pay the bill and leave at once

B. help to clean the tables and wash the dishes 

C. give the persons who serve them some more money to show their thanks

通过阅读模式图和下列两张肾脏病理图片，其诊断考虑为（）

A.新月体性肾炎

B.弥漫性毛细血管内增生性肾小球肾炎

C.系膜增生性肾小球肾炎

D.局灶节段性硬化

E.膜增生性肾小球肾炎