Answer:to give the reader a better understanding of the text
Explanation:
when you annotate you let the reader know the mood, or how things are being said. for example: Lets eat grandma is completely diffrent than Lets eat, grandma
The Letter b might be right
Explanation:
A witness would be someone that has experienced something at first hand, having saw something from a different perspective. An ally is someone who is acquainted with you, or someone you could trust. A witness cannot be an ally if you are against their side in some form or way. A witness can be an ally if it is your best friend or someone you trust to prove you innocent.
Basically, a witness is a neutral term that describes someone that saw something. While an ally refers to mutually acceptable.