When a story is told from the the narrator takes part in the action of the story.
third-person omniscient point of view
first-person point of view
third-person limited point of view

When  story is told from the FIRST-PERSON POINT OF VIEW, the narrator takes part in the action of the story.

A first person narrator can often be a major or minor character in a story.

i do not know what the passage is but i can give some examples

1. repetitive phrases may be used to create a emphasizing tone

2. pauses in sentences are used to create a dramatic effect but can also be suspenseful

3. using lots of exclamation marks and loud speech such as words in all caps can be creating a excited or possibly angry tone.

4. using lots of questioning phrases my mean that they are in suspicion of something.

5. using lots of questionable statements or questions can imply of a sneeky or sly tone.

the right ones are in bold.

daintly refers to the fact she was reaching for what she ate, not necessarily what she is like.

greatest charm as in she possessed (=had) the greatest charm.

pleasant (her demeanor)

speaking (of her sensibility)

dead refers to the hypothetical mouse.

bleeding refers to the hypothetical mouse.