Can you give the answer choices please?
Autobiography ? It's an account of an event written by that person
The correct answer cannot be any of the other choices besides, sequence.
If the answer was "Adding an Idea" it would have to be furthermore, yet, in addition, and other choices.
The only category "Afterword" belongs in is a sequence.
The only word out of these four which has an obvious negative connotation is C) harangue. That word means <em>to lecture somebody in an aggressive manner</em>, which is negative.
The other words have neutral connotation.