The answer is A, when quoting a character the actions and physical interjections are without quotation marks. You also must end your quote with either a comma or period after the closed quote.
For a persuasive letter, You definitely want to have a claim, supporting reasons, and supporting evidence.
We have to know more about the story to answer this
The answer is the first one.
In "Writers often disavow the notion of a 'literary duty'" the author conveys a somewhat condescending attitude, as if they would always follow this and set aside anyone who said otherwise. This attitude says the author is looking down on them, and that the author believes that many authors do not meet their standards.
Another answer I would consider is "...writers ruined by their shrill commitments." However, there is no context or clear tone. The author could be mournful of the lost potential for all we know.
