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

宪法法律拥有权威，是人民根本利益和意志的体现，是从（）方面得出的结论。