The American writer and historian Washington Irving, famous for stories such as <em>The Legend of Sleepy Hollow</em>, <em>A Story of New York</em>, <em>The Sketch Book</em> and <em>Rip Van Winkle</em>, he started to achieve his Gothic tone while living in New York around<em>"The Lads of Kilkenny"</em>, some young literates from there, he popularized the moniker <em>"Gotham"</em> for New York through his satirical magazine <em>"Salmagundi"</em>, later on he reaffirmed his Gothic tone while also living in Europe, particularly in England, near to castles with secret passages, mysterious architecture and the romantic spirit of Europe at that time.
A flashback tells something from the past so the answer would have to be (A) this is because of the use of the word recall. In every other option the verb is present or future tense instead of past tense.