If you read carefully I think the answer is B
The statements that use parallel structure are:
- I ate tacos, beans, and rice for dinner last night.
- Mary's favorite activities include cheerleading, parasailing, and hiking.
- I came; I saw; I conquered.
- The angry dog barked at his owner, scratched the door, and created a mess.
- To succeed is to be happy in life.
- Jacob would like to buy both a new hat and a new laptop.
These all present repetition of a chosen grammatical form within a sentence, thus keeping the rhythm of th line.
The Chorus sings all about the terrible battle that has just been fought. So, the mood would probably be sorrow, sadness, and terror.
