The rhetorical question is B.
"I grass green?" has a very obvious answer and is a very unnecessary question.
another example: Sojourner Truth; Ain't I a woman
Well, Its whatever the author is talking about. it's depending on the book or story. Like the Genre. It Varies, so he might be implying that it really is a glamorous piece of work or he is being sarcastic. Words and the way\ tone you use is very important.
This persuasive technique is called appeal to authority.
Appeal to authority is a persuasive technique where the speaker relies on the credibility of another person or event to suport their own argument. It is often considered a fallacy because the speaker depends on the "authority"instead of presenting their own evidence.
Example:
"A commercial claims that <u>3 out of 4 dentists</u> would choose this particular brand of toothpaste for their own families to use."
In this statement, the dentists are the authority the argument depends on.
I needed to abbreviate the word etcetera. I abbreviate, so I don't have to type a lot.