I think the answer to your questions is B.
C i think Hope this helps
Letter D. the combination of two other words.
Answer:
solving crimes in the criminal justice system
<span>The main message of the song is to stand up and revolt against the old
bureaucracy. This was spearheaded by young people, and eventually the workers
of the nation. It’s telling the people to rise up in a revolutionary struggle
against an evil and powerful regime, and defend Mao Zedong with their life. </span>
