The realist art is based on the concrete and real things and places. Its characters are ordinary people with the everyday language used. Its only interest is to represent the recent or contemporary life and events.
Because of that, it has no approval for the romantic way of representing things, since it goes against its believes. Romantic writers are interest in history or legends, with a formal and inflated language, made up, exotic or mysterious settings and extravagant characters. Making so letter D correct, realist writers disapprove romantics for its "fanciful treatment of material".
Find out something you both like and start talking about that when she is near you, she might hear you and say she is interested in that same thing.
My best guess would be, "B", "Grammatical conventions were much different then."
Memoirs and autobiographies (option "C") are examples of nonfiction literature, since the writer reports on his / her real life events by making use of different literary techniques. Literary nonfiction, also known as creative nonfiction, employs literary elements, like character, setting and plot. The employment of literary styles and techniques in nonfiction narratives are intended to entertain the reader by creating factual narratives about people, places, and events of the real world.