由龟兹人苏祗婆传入的宫调理论是（）。
A.燕乐二十八调
B.五旦七声
C.八十四调
D.同均三宫
参考答案：B
同时含有桃仁、川穹、当归的方剂是（）；补阳还五汤。
His complaint about our management was not without reasons.
A. could be rectified B. could be justifiedC. was modified D. could be enforced
