Answer :
Writers establish tone by all of the following means except "d.careful diction" but it should be noted that there are exceptions to this and a lot of it has to do with choice.
Answer:
d.careful diction
Explanation:
Diction can be used to set a tone, but careful diction would most likely convey the same idea. All of the others, though, can be used in different ways to settle a tone. Being it a theme, subjective meaning of words or the details behind the story.