After the Sui united China， the music and dances were sorted out and categorized into "nine divisions of music".

After the Sui united China， the music and dances were sorted out and categorized into "nine divisions of music".
A.正确
B.错误
正确答案：错误

After the Sui united China， the music and dances were sorted out and categorized into &quot;nine divisions of music&quot;.