患者女性，40岁，左上后牙3天持续胀痛，1日来夜痛不能眠，不能咬物。5个月以来该部位一直食物嵌塞，逐渐加重，剔牙出血，要求诊治。查：龋深近髓，有食物嵌塞在内，叩诊(++)，不松动、热测引起剧痛，含冷水痛缓解龈 * * 肿大，探之出血

当日有效的处理方法是（）

A．消炎止痛

B．去腐安抚

C．开通髓腔

D．垫底充填

E．冲洗上药

People in different countries and different places of the world eat different kinds of things. 小题1: Foods are cooked and eaten in many different kinds of ways. People in different countries eat at different times of the day. In some places people eat once or twice a day; in other countries people eat three or four times a day. Scientists say that none of the differences is really important. 小题2: The important thing is what you eat every day.