D) The characters have happy memories of their past childhood.
A (technically B too, but it’s better known for giving women the right to vote)
The word "wonderful" in reference to the "eyes" of the sky indicates that she feels loved and protected. So, the answer is D.
<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>
