女性，48岁，近2个月来感双肩发沉，举臂无力，走路耐力下降，查血沉47mm／第1小时末

鉴别多发性肌炎和风湿性多肌痛最有说服力的实验室检查是（）

A.血沉

B.抗链球菌抗体

C.抗中性粒细胞胞浆抗体

D.肌酶谱

E.免疫球蛋白

---Could you tell me ________?

---Sorry. I don’t know.  I didn’t attend the meeting.

A．what did he say at the meeting

B．what had he said at the meeting

C．what he said at the meeting

D．what he would say at the meeting