The store gave out samples by the dozen. - Is the correct phrase, as an adverbial phrase is a word/ phrase that modifies the/ qualifies an adjective. So the 'dozen' modifies the sentence.
<span>I would say A
though i got a little confused at first but i hope i helped
</span>
Nothing is underlined in your sentence, but the sentence sounds like it is set in the present.
B. present
Former U.S. president John F. Kennedy quoted John Winthrop as a source of inspiration. John F. Kennedy saw John Winthrop’s determination through Winthrop’s directive which provided caution and inspiration to the passengers. Puritan pridefulness has been represented by Winthrop’s “City upon a Hill” passage; the Puritans thought they were perfect, a city on top of a hill where everyone would admire and want to imitate. Winthrop had known that the world would watch the events in New England, not just by England.
