Answer:
first off, what are the answer choices, second, Then would be the best word to join the sentences.
Answer:
Diction is the word choice and phrasing of a piece of writing. Try and find the passage in which the wording of the text is most impactful.
Explanation:
You cannot put any sort of endmark (period, question mark, or exclamation point) here because it is not a complete sentence. Complete sentences must have a subject and a predicate. You can tell there's not even a verb here, so this is just a fragment, and we would have to use a comma.
a. Very truly yours,
