Citing passages from a text is one way to provide elaboration in an essay.
The reason why this would be your answer is because when you cite your source, it allows to person to go to the source to see more information about the quote you got, and not leave them empty handed. If you didn't cite you source, it would be considered plagiarism, and wouldn't allow the reader to get to know more about the quote and what happens.
The best reason to revise this sentence using the passive voice is that A. the name of the singer is unknown.
<h3>What is Revision?</h3>
This refers to the edition of a text or sentence in order to make it better by the addition or removal of some text.
Hence, we can see that from the given sentence about the singer of the solo during the holiday concert, the readers do not know the singer's name and as such, the use of passive voice is needed for better understanding.
Read more about passive voice here:
brainly.com/question/25897080
What passage?..................
Making a personal connection with the text and interacting with the text will give it meaning to the reader