Passed from father to son, the music has not changed for eight centuries，and among the richer Naxi people, ________ knowledge of this music showed that you were ________real gentleman.

A．a; a

B．the, 不填

C．不填;a

D．the; the

以下除……之外，各句中的“书”都是“文字”之义（）

A.迄考武世，书缺简脱，礼坏乐崩

B.凡书方案，字期清爽，药期共晓

C.则药铺中人岂能尽识草书乎

D.又有医人工于草书者