患者男性，46岁，有胃溃疡病史。近日手指关节肿胀、疼痛，清晨感觉指关节明显僵硬，活动后缓解，经实验室化验确诊为类风湿性关节炎。

为缓解疼痛，该患者可用（）

A.阿司匹林

B.对乙酰氨基酚

C.吲哚美辛

D.美洛昔康

E.吡罗昔康

---Can you let me know        yesterday?   

---Because the traffic was bad.

A．why did you come late

B．why you came late

C．why do you come late

D．why you come late