Here are the answers to the given questions above:
1. When the audience of a piece is general, it is meant for anyone. The answer would be the first option.
2. The tone of a piece of literature is determined by analyzing the word choices and identifying the author's attitude toward the subject. The answer would be option C.
3. When the purpose of a piece of literature is to inform, the writer usually writes in the third person.
4. The tone is the way an author relates to the audience.
5. When the author addresses the audience using you, your, yours, or commands, the point of view is second person.